Release 4B Snapshot 3: Connectathon 32 Base

This page is part of the Snapshot #3 for FHIR Specification (v4.3.0: R4B - STU ). The current version which supercedes this version is 5.0.0 R5 , released to support Connectathon 32 . For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2

Bundle.profile.xml

Example StructureDefinition/Bundle (XML)

FHIR Infrastructure Work Group Maturity Level : N/A Standards Status : Informative Compartments : Not linked to any defined compartments

Raw XML ( canonical form + also see XML Format Specification )

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StructureDefinition for bundle

<?xml version="1.0" encoding="UTF-8"?>

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Bundle"/> 
  <meta> 
    

    <lastUpdated value="2022-12-14T07:12:54.019+11:00"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      
        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            

      <table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align:
       top;">
        <tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align:

         top">
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a> 
          </th> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            

          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a> 
          </th> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            

          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a> 
          </th> 
          <th class="hierarchy" style="width: 100px">
            

            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a> 
          </th> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            

          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a> 
            <span style="float: right">
              

              <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format">
                <img alt="doco" src="help16.png" style="background-color: inherit"/> 
              </a> 
            </span> 
          </th> 
        </tr> 
        
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            ABJRU5ErkJggg== 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:
         white">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;bas
          e64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAJUlEQVR4Xu3IIQEAAAgDsHd9/w4EQIOamFnaBgAA4M
          MKAACAKwNp30CqZFfFmwAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw

            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw

            YAAACCElEQVQ4y4XTv2sUQRTA8e9Mzt3kjoOLSXFgZ6GJQlALCysLC89OsLTXv0VFxE4stRAEQUghSWEXuM4qMZpATsUD7
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            qAeSFSduL9Akj7qPF64jnALS5VTPwdgPwwJ+uog9Qcx4kRZiPKqxgAAAABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Resource"/>  

            <span title="Bundle : A container for a collection of resources.">Bundle</span> 
            <a name="Bundle"> </a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color:
             black; background-color: #e6ffe6

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">
            <a href="versions.html#std-process" style="padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold;

             color: black; background-color: #e6ffe6" title="Standards Status = Normative">N</a> 

          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px">

            <a href="resource.html">Resource</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxContains a collection of resources

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Contains a collection of resources

            <br/>  
            <span style="font-style: italic" title="bdl-1">+ Rule: total only when a search or history</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-2">+ Rule: entry.search only when a search</span> 
            <br/>  
            

            <span style="font-style: italic" title="bdl-3">+ Rule: entry.request mandatory for batch/transaction/history, allowed for subscription-notif
              ication, otherwise prohibited</span> 

            <br/>  
            + Rule: entry.response mandatory for batch-response/transaction-response/history, otherwise
               prohibited

            <span style="font-style: italic" title="bdl-4">+ Rule: entry.response mandatory for batch-response/transaction-response/history,
               allowed for subscription-notification, otherwise prohibited</span> 

            <br/>  
            + Rule: FullUrl must be unique in a bundle, or else entries with the same fullUrl must
               have different meta.versionId (except in history bundles)

            <span style="font-style: italic" title="bdl-7">+ Rule: FullUrl must be unique in a bundle, or else entries with the same fullUrl
               must have different meta.versionId (except in history bundles)</span> 

            <br/>  
            <span style="font-style: italic" title="bdl-9">+ Rule: A document must have an identifier with a system and a value</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-10">+ Rule: A document must have a date</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-11">+ Rule: A document must have a Composition as the first resource</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-12">+ Rule: A message must have a MessageHeader as the first resource</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-13">+ Rule: A subscription-notification must have a SubscriptionStatus as the first
               resource</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-14">+ Rule: entry.request.method PATCH not allowed for history</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-15">+ Rule: Bundle resources where type is not transaction, transaction-response, batch,

               or batch-response or when the request is a POST SHALL have Bundle.entry.fullUrl
               populated</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-16">+ Rule: Issue.severity for all issues within the OperationOutcome must be either

               'information' or 'warning'.</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-17">+ Rule: Use and meaning of issues for documents has not been validated because

               the content will not be rendered in the document.</span> 
            <br/>  
            <br/>  Elements defined in Ancestors: 
            The logical id of the resource, as used in the URL for the resource. Once assigned, this
             value never changes., 

            <a href="resource.html#Resource" title="The logical id of the resource, as used in the URL for the resource. Once assigned,
             this value never changes.">id</a> , 

            <a href="resource.html#Resource" title="The metadata about the resource. This is content that is maintained by the infrastructure.
             Changes to the content might not always be associated with version changes to the resource., 
            A reference to a set of rules that were followed when the resource was constructed, and
             which must be understood when processing the content. Often, this is a reference to an
             implementation guide that defines the special rules along with other profiles etc., 

             Changes to the content might not always be associated with version changes to the
             resource.">meta</a> , 
            <a href="resource.html#Resource" title="A reference to a set of rules that were followed when the resource was constructed,

             and which must be understood when processing the content. Often, this is a reference
             to an implementation guide that defines the special rules along with other profiles
             etc.">implicitRules</a> , 

            <a href="resource.html#Resource" title="The base language in which the resource is written.">language</a> 
          </td> 
        </tr> 

        
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            Bundle.identifier : A persistent identifier for the bundle that won't change as a bundle
             is copied from server to server.

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:
         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

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            <span title="Bundle.identifier : A persistent identifier for the bundle that won't change as

             a bundle is copied from server to server.">identifier</span> 

            <a name="Bundle.identifier"> </a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">

            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">

            <a href="datatypes.html#Identifier">Identifier</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Persistent identifier for the bundle
            <br/>  
          </td> 
        </tr> 

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:
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           solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;bas
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw

            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
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            <span title="Bundle.type : Indicates the purpose of this bundle - how it is intended to be used.">type</span> 
            <a name="Bundle.type"> </a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">

            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px">

            <a href="datatypes.html#code">code</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxdocument | message | transaction | transaction-response | batch | batch-response | history
             | searchset | collection

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">document | message | transaction | transaction-response | batch | batch-response
             | history | searchset | collection | subscription-notification

            <br/>  
            <a href="valueset-bundle-type.html">BundleType</a>  (
            )

            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value
             set.">Required</a> )
            <br/>  
          </td> 
        </tr> 

        
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVB
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            Bundle.timestamp : The date/time that the bundle was assembled - i.e. when the resources
             were placed in the bundle.

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw

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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw

            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
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            <span title="Bundle.timestamp : The date/time that the bundle was assembled - i.e. when the

             resources were placed in the bundle.">timestamp</span> 

            <a name="Bundle.timestamp"> </a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">

            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">

            <a href="datatypes.html#instant">instant</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">When the bundle was assembled
            <br/>  
          </td> 
        </tr> 

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVBORw0KGg
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            Bundle.total : If a set of search matches, this is the total number of entries of type
             'match' across all pages in the search.  It does not include search.mode = 'include' or
             'outcome' entries and it does not provide a count of the number of entries in the Bundle.

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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw

            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw

            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
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            <span title="Bundle.total : If a set of search matches, this is the (potentially estimated)

             total number of entries of type 'match' across all pages in the search.  It does
             not include search.mode = 'include' or 'outcome' entries and it does not provide
             a count of the number of entries in the Bundle.">total</span> 

            <a name="Bundle.total"> </a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">

            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
            

            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;
             color: #301212; background-color: #fdf4f4;" title="This element has or is affected by some invariants">C</a> 

          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px">

            <a href="datatypes.html#unsignedInt">unsignedInt</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">If search, the total number of matches
            <br/>  
          </td> 
        </tr> 

        
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVB
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          EQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=)
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        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw

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            <span title="Bundle.link : A series of links that provide context to this bundle.">link</span> 
            <a name="Bundle.link"> </a> 
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           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">

            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px
            

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#BackBoneElement">BackboneElement</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4pxLinks related to this Bundle

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Links related to this Bundle
            <br/>  
            <br/>  
          </td> 
        </tr> 

        
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            Bundle.link.relation : A name which details the functional use for this link - see [http://www.iana.
            org/assignments/link-relations/link-relations.xhtml#link-relations-1](http://www.iana.org/assignments
            /link-relations/link-relations.xhtml#link-relations-1).

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            <a name="Bundle.link.relation"> </a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

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            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px">See http://www.iana.org/assignments/link-relations/link-relations.xhtml#link-relations-1
            <br/>  
            <a href="valueset-iana-link-relations.html">LinkRelationTypes</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>  
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

        </tr> 

        
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            <span title="Bundle.link.url : The reference details for the link.">url</span> 
            <a name="Bundle.link.url"> </a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
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          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <a href="datatypes.html#uri">uri</a> 
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           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <br/>  
          </td> 
        </tr> 

        
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            Bundle.entry : An entry in a bundle resource - will either contain a resource or information
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            <span title="Bundle.entry : An entry in a bundle resource - will either contain a resource or

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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
            

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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px">
            <a href="types.html#BackBoneElement">BackboneElement</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxEntry in the bundle - will have a resource or information

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Entry in the bundle - will have a resource or information

            <br/>  
            <span style="font-style: italic" title="bdl-5">+ Rule: must be a resource unless there's a request or response</span> 
            <br/>  
            <span style="font-style: italic" title="bdl-8">+ Rule: fullUrl cannot be a version specific reference</span> 
            This repeating element order: For bundles of type 'document' and 'message', the first
             resource is special (must be Composition or MessageHeader respectively). For all bundles,
             the meaning of the order of entries depends on the bundle type

            <br/>  This repeating element order: For bundles of type 'document' and 'message', the
             first resource is special (must be Composition or MessageHeader respectively).
             For all bundles, the meaning of the order of entries depends on the bundle type
            <br/>  
          </td> 
        </tr> 

        
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            Ha7SH9v4C8Nrl+GFh7LoAAAAASUVORK5CYII=" style="background-color: #F7F7F7; background-color: inherit" title="Reference to another Element"/>  

            <span title="Bundle.entry.link : A series of links that provide context to this entry.">link</span> 
            <a name="Bundle.entry.link"> </a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">

            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4pxsee 

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">see 

            <a href="#Bundle.link" title="Bundle.link">link</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4pxLinks related to this entry

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Links related to this entry
            <br/>  
            <br/>  
          </td> 
        </tr> 

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVBORw0KGg
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            Bundle.entry.fullUrl : The Absolute URL for the resource.  The fullUrl SHALL NOT disagree
             with the id in the resource - i.e. if the fullUrl is not a urn:uuid, the URL shall be
             version-independent URL consistent with the Resource.id. The fullUrl is a version independent
             reference to the resource. The fullUrl element SHALL have a value except that: 
* fullUrl can be empty on a POST (although it does not need to when specifying a temporary
             id for reference in the bundle)
* Results from operations might involve resources that are not identified.

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            uYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="Bundle.entry.fullUrl : The Absolute URL for the resource. Except for transactions

             and batches, each entry in a Bundle must have a fullUrl. The fullUrl SHALL NOT
             disagree with the id in the resource - i.e. if the fullUrl is not a urn:uuid, the
             URL shall be version-independent URL consistent with the Resource.id. The fullUrl
             is a version independent reference to the resource. Even when not required, fullUrl
             MAY be set to a urn:uuid to allow referencing entries in a transaction. The fullUrl
             can be an arbitrary URI and is not limited to urn:uuid, urn:oid, http, and https.
             The fullUrl element SHALL have a value except when: 
* invoking a create
* invoking or responding to an operation where the body is not a single identified
             resource
* invoking or returning the results of a search or history operation.">fullUrl</span> 

            <a name="Bundle.entry.fullUrl"> </a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">

            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px">

            <a href="datatypes.html#uri">uri</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">URI for resource (e.g. the absolute URL server address, URI for UUID/OID, etc.)
            <br/>  
          </td> 
        </tr> 

        
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
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            <br/>  
            <a href="valueset-search-entry-mode.html">SearchEntryMode</a>  (
            )

            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value
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            <br/>  
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            Bundle.entry.search.score : When searching, the server's search ranking score for the
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            <span title="Bundle.entry.search.score : When searching, the server's search ranking score for

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            <a name="Bundle.entry.search.score"> </a> 
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

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            <a href="datatypes.html#decimal">decimal</a> 
          </td> 
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           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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            <br/>  
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            <span title="Bundle.entry.request : Additional information about how this entry should be processed
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            <a name="Bundle.entry.request"> </a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
            

            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;
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          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
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          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
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            <a href="types.html#BackBoneElement">BackboneElement</a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

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            Bundle.entry.request.method : In a transaction or batch, this is the HTTP action to be
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           padding:0px 4px 0px 4pxGET | HEAD | POST | PUT | DELETE | PATCH

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            <br/>  
            <a href="valueset-http-verb.html">HTTPVerb</a>  (
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            Bundle.entry.request.url : The URL for this entry, relative to the root (the address to
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
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           solid; padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

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            <a href="datatypes.html#instant">instant</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <br/>  
          </td> 
        </tr> 

        
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
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           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <a href="datatypes.html#string">string</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">For managing update contention
            <br/>  
          </td> 
        </tr> 

        
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            Bundle.entry.request.ifNoneExist : Instruct the server not to perform the create if a
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
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            <a href="datatypes.html#string">string</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">For conditional creates
            <br/>  
          </td> 
        </tr> 

        
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            Bundle.entry.response.status : The status code returned by processing this entry. The
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
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            <a href="datatypes.html#string">string</a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            Bundle.entry.response.location : The location header created by processing this operation,
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            <a name="Bundle.entry.response.location"> </a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

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            <a href="datatypes.html#uri">uri</a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
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            <br/>  
          </td> 
        </tr> 

        
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            <span title="Bundle.entry.response.outcome : An OperationOutcome containing hints and warnings

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            <a name="Bundle.entry.response.outcome"> </a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">

            <a href="resource.html#Resource">Resource</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">OperationOutcome with hints and warnings (for batch/transaction)
            <br/>  
          </td> 
        </tr> 

        
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        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

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            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw

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            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcS

            jY/DQkad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF
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            <span title="Bundle.signature : Digital Signature - base64 encoded. XML-DSig or a JWS.">signature</span> 
            <a name="Bundle.signature"> </a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">

            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
            padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color:
             black; background-color: #fff5e6

            <a href="versions.html#std-process" style="padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold;
             color: black; background-color: #fff5e6" title="Standards Status = Trial Use">TU</a> 

          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0

           solid; padding:0px 4px 0px 4px">

            <a href="datatypes.html#Signature">Signature</a> 
          </td> 
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px

          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Digital Signature
            <br/>  
          </td> 
        </tr> 


        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw

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            <span title="Bundle.issues : Captures issues and warnings that relate to the construction of

             the Bundle and the content within it.">issues</span> 
            <a name="Bundle.issues"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="versions.html#std-process" style="padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold;

             color: black; background-color: #fff5e6" title="Standards Status = Trial Use">TU</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="resource.html#Resource">Resource</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px

           #F0F0F0 solid; padding:0px 4px 0px 4px">Issues with the Bundle
            <br/>  
          </td> 
        </tr> 

        <tr> 
          <td class="hierarchy" colspan="5">
            <br/>  
            

            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format">
              <img alt="doco" src="help16.png" style="background-color: inherit"/>  Documentation for this format
            </a> 
          </td> 
        </tr> 
      </table> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-category">
    <valueString value="Foundation.Other"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="normative"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
    <valueCode value="4.0.0"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="5"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category">
    <valueCode value="not-classified"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/> 
  </extension> 
  <url value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
  

  <version value="5.0.0-snapshot3"/> 
  <name value="Bundle"/> 
  <status value="active"/> 
  <experimental value="false"/> 
  

  <date value="2022-12-14T07:12:54+11:00"/> 
  <publisher value="Health Level Seven International (FHIR Infrastructure)"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
  </contact> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://www.hl7.org/Special/committees/fiwg/index.cfm"/> 
    </telecom> 
  </contact> 
  <description value="A container for a collection of resources."/> 
  

  <jurisdiction> 
    <coding> 
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> 
      <code value="001"/> 
      <display value="World"/> 
    </coding> 
  </jurisdiction> 
  <fhirVersion value="5.0.0-snapshot3"/> 
  <mapping> 
    <identity value="v2"/> 
    <uri value="http://hl7.org/v2"/> 
    <name value="HL7 v2 Mapping"/> 
  </mapping> 
  <mapping> 
    <identity value="rim"/> 
    <uri value="http://hl7.org/v3"/> 
    <name value="RIM Mapping"/> 
  </mapping> 
  <mapping> 
    <identity value="cda"/> 
    <uri value="http://hl7.org/v3/cda"/> 
    <name value="CDA (R2)"/> 
  </mapping> 
  <mapping> 
    <identity value="w5"/> 
    <uri value="http://hl7.org/fhir/fivews"/> 
    <name value="FiveWs Pattern Mapping"/> 
  </mapping> 
  <kind value="resource"/> 
  <abstract value="false"/> 
  <type value="Bundle"/> 
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Resource"/> 
  <derivation value="specialization"/> 
  <snapshot> 
    <element id="Bundle">
      <path value="Bundle"/> 
      <short value="Contains a collection of resources"/> 
      <definition value="A container for a collection of resources."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Bundle"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <constraint> 
        <key value="bdl-1"/> 
        <severity value="error"/> 
        <human value="total only when a search or history"/> 
        <expression value="total.empty() or (type = 'searchset') or (type = 'history')"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-2"/> 
        <severity value="error"/> 
        <human value="entry.search only when a search"/> 
        <expression value="entry.search.empty() or (type = 'searchset')"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-3"/> 
        <severity value="error"/> 
        

        <human value="entry.request mandatory for batch/transaction/history, allowed for subscription-notification,
         otherwise prohibited"/> 

        <expression value="entry.all(request.exists() = (%resource.type = 'batch' or %resource.type = 'transaction'
         or %resource.type = 'history'))
        not(f:entry/f:request) or (f:type/@value = 'batch') or (f:type/@value = 'transaction')
         or (f:type/@value = 'history')

         or %resource.type = 'history')) or (type='subscription-notification')"/> 

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-4"/> 
        <severity value="error"/> 
        
        entry.all(response.exists() = (%resource.type = 'batch-response' or %resource.type = 'transaction-re
        sponse' or %resource.type = 'history'))
        not(f:entry/f:response) or (f:type/@value = 'batch-response') or (f:type/@value = 'transaction-respo
        nse') or (f:type/@value = 'history')

        <human value="entry.response mandatory for batch-response/transaction-response/history, allowed
         for subscription-notification, otherwise prohibited"/> 
        <expression value="entry.all(response.exists() = (%resource.type = 'batch-response' or %resource.type

         = 'transaction-response' or %resource.type = 'history')) or (type='subscription-notification'
        )"/> 

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-7"/> 
        <severity value="error"/> 
        FullUrl must be unique in a bundle, or else entries with the same fullUrl must have different
         meta.versionId (except in history bundles)
        (type = 'history') or entry.where(fullUrl.exists()).select(fullUrl&amp;resource.meta.versionId).isDi
        stinct()
        (f:type/@value = 'history') or (count(for $entry in f:entry[f:resource] return $entry[count(parent::
        f:Bundle/f:entry[f:fullUrl/@value=$entry/f:fullUrl/@value and ((not(f:resource/*/f:meta/f:versionId/@
        value) and not($entry/f:resource/*/f:meta/f:versionId/@value)) or f:resource/*/f:meta/f:versionId/@va
        lue=$entry/f:resource/*/f:meta/f:versionId/@value)])!=1])=0)

        <human value="FullUrl must be unique in a bundle, or else entries with the same fullUrl must
         have different meta.versionId (except in history bundles)"/> 
        <expression value="(type = 'history') or entry.where(fullUrl.exists()).select(fullUrl&amp;resource.meta.versionI

        d).isDistinct()"/> 

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-9"/> 
        <severity value="error"/> 
        <human value="A document must have an identifier with a system and a value"/> 
        <expression value="type = 'document' implies (identifier.system.exists() and identifier.value.exists())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-10"/> 
        <severity value="error"/> 
        <human value="A document must have a date"/> 
        <expression value="type = 'document' implies (timestamp.hasValue())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-11"/> 
        <severity value="error"/> 
        <human value="A document must have a Composition as the first resource"/> 
        <expression value="type = 'document' implies entry.first().resource.is(Composition)"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-12"/> 
        <severity value="error"/> 
        <human value="A message must have a MessageHeader as the first resource"/> 
        <expression value="type = 'message' implies entry.first().resource.is(MessageHeader)"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-13"/> 
        <severity value="error"/> 
        <human value="A subscription-notification must have a SubscriptionStatus as the first resource"/> 
        <expression value="type = 'subscription-notification' implies entry.first().resource.is(SubscriptionStatus)"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-14"/> 
        <severity value="error"/> 
        <human value="entry.request.method PATCH not allowed for history"/> 
        <expression value="type = 'history' implies entry.request.method != 'PATCH'"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-15"/> 
        <severity value="error"/> 
        <human value="Bundle resources where type is not transaction, transaction-response, batch, or
         batch-response or when the request is a POST SHALL have Bundle.entry.fullUrl populated"/> 
        <expression value="type='transaction' or type='transaction-response' or type='batch' or type='batch-response'

         or entry.all(fullUrl.exists() or request.method='POST')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-16"/> 
        <severity value="error"/> 
        <human value="Issue.severity for all issues within the OperationOutcome must be either 'information'

         or 'warning'."/> 
        <expression value="issues.exists() implies (issues.OperationOutcome.issue.severity = 'information'

         or issues.OperationOutcome.issue.severity = 'warning')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-17"/> 
        <severity value="error"/> 
        <human value="Use and meaning of issues for documents has not been validated because the content

         will not be rendered in the document."/> 
        <expression value="type = 'document' implies issues.empty()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Entity. Role, or Act"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="N/A"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
      <mapping> 
        <identity value="cda"/> 
        <map value="ClinicalDocument, if bundle.type = document"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="infrastructure.structure"/> 
      </mapping> 
    </element> 
    <element id="Bundle.id">
      <path value="Bundle.id"/> 
      <short value="Logical id of this artifact"/> 
      The logical id of the resource, as used in the URL for the resource. Once assigned, this
       value never changes.
      The only time that a resource does not have an id is when it is being submitted to the
       server using a create operation.

      <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned,
       this value never changes."/> 
      <comment value="Within the context of the FHIR RESTful interactions, the resource has an id except

       for cases like the create and conditional update. Otherwise, the use of the resouce
       id depends on the given use case."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler
       magic (j)  -->

      <type> 
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="id"/> 
        </extension> 
        <code value="http://hl7.org/fhirpath/System.String"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.meta">
      <path value="Bundle.meta"/> 
      <short value="Metadata about the resource"/> 
      <definition value="The metadata about the resource. This is content that is maintained by the infrastructure.
       Changes to the content might not always be associated with version changes to the resource.

       Changes to the content might not always be associated with version changes to the
       resource."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.meta"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Meta"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.implicitRules">
      <path value="Bundle.implicitRules"/> 
      <short value="A set of rules under which this content was created"/> 
      A reference to a set of rules that were followed when the resource was constructed, and
       which must be understood when processing the content. Often, this is a reference to an
       implementation guide that defines the special rules along with other profiles etc.
      Asserting this rule set restricts the content to be only understood by a limited set of
       trading partners. This inherently limits the usefulness of the data in the long term.
       However, the existing health eco-system is highly fractured, and not yet ready to define,
       collect, and exchange data in a generally computable sense. Wherever possible, implementers
       and/or specification writers should avoid using this element. Often, when used, the URL
       is a reference to an implementation guide that defines these special rules as part of
       it's narrative along with other profiles, value sets, etc.

      <definition value="A reference to a set of rules that were followed when the resource was constructed,
       and which must be understood when processing the content. Often, this is a reference
       to an implementation guide that defines the special rules along with other profiles
       etc."/> 
      <comment value="Asserting this rule set restricts the content to be only understood by a limited

       set of trading partners. This inherently limits the usefulness of the data in the
       long term. However, the existing health eco-system is highly fractured, and not
       yet ready to define, collect, and exchange data in a generally computable sense.
       Wherever possible, implementers and/or specification writers should avoid using
       this element. Often, when used, the URL is a reference to an implementation guide
       that defines these special rules as part of it's narrative along with other profiles,
       value sets, etc."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.implicitRules"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="uri"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="true"/> 
      <isModifierReason value="This element is labeled as a modifier because the implicit rules may provide additional
       knowledge about the resource that modifies it's meaning or interpretation"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.language">
      <path value="Bundle.language"/> 
      <short value="Language of the resource content"/> 
      <definition value="The base language in which the resource is written."/> 
      Language is provided to support indexing and accessibility (typically, services such as
       text to speech use the language tag). The html language tag in the narrative applies 
       to the narrative. The language tag on the resource may be used to specify the language
       of other presentations generated from the data in the resource. Not all the content has
       to be in the base language. The Resource.language should not be assumed to apply to the
       narrative automatically. If a language is specified, it should it also be specified on
       the div element in the html (see rules in HTML5 for information about the relationship
       between xml:lang and the html lang attribute).

      <comment value="Language is provided to support indexing and accessibility (typically, services
       such as text to speech use the language tag). The html language tag in the narrative
       applies  to the narrative. The language tag on the resource may be used to specify
       the language of other presentations generated from the data in the resource. Not
       all the content has to be in the base language. The Resource.language should not
       be assumed to apply to the narrative automatically. If a language is specified,
       it should it also be specified on the div element in the html (see rules in HTML5
       for information about the relationship between xml:lang and the html lang attribute)."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.language"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="preferred"/> 
        <description value="IETF language tag"/> 
        <valueSet value="http://hl7.org/fhir/ValueSet/languages"/> 
      </binding> 
    </element> 
    <element id="Bundle.identifier">
      <path value="Bundle.identifier"/> 
      <short value="Persistent identifier for the bundle"/> 
      A persistent identifier for the bundle that won't change as a bundle is copied from server
       to server.
      Persistent identity generally only matters for batches of type Document, Message, and
       Collection. It would not normally be populated for search and history results and servers
       ignore Bundle.identifier when processing batches and transactions. For Documents  the
       .identifier SHALL be populated such that the .identifier is globally unique.

      <definition value="A persistent identifier for the bundle that won't change as a bundle is copied
       from server to server."/> 
      <comment value="Persistent identity generally only matters for batches of type Document, Message,

       and Collection. It would not normally be populated for search and history results
       and servers ignore Bundle.identifier when processing batches and transactions.
       For Documents  the .identifier SHALL be populated such that the .identifier is
       globally unique."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.identifier"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="cda"/> 
        <map value="ClinicalDocument.id"/> 
      </mapping> 
    </element> 
    <element id="Bundle.type">
      <path value="Bundle.type"/> 
      document | message | transaction | transaction-response | batch | batch-response | history
       | searchset | collection

      <short value="document | message | transaction | transaction-response | batch | batch-response
       | history | searchset | collection | subscription-notification"/> 

      <definition value="Indicates the purpose of this bundle - how it is intended to be used."/> 
      It's possible to use a bundle for other purposes (e.g. a document can be accepted as a
       transaction). This is primarily defined so that there can be specific rules for some of
       the bundle types.

      <comment value="It's possible to use a bundle for other purposes (e.g. a document can be accepted
       as a transaction). This is primarily defined so that there can be specific rules
       for some of the bundle types."/> 

      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.type"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="BundleType"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Indicates the purpose of a bundle - how it is intended to be used."/> 
        

        <valueSet value="http://hl7.org/fhir/ValueSet/bundle-type|5.0.0-snapshot3"/> 
      </binding> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.class"/> 
      </mapping> 
    </element> 
    <element id="Bundle.timestamp">
      <path value="Bundle.timestamp"/> 
      <short value="When the bundle was assembled"/> 
      The date/time that the bundle was assembled - i.e. when the resources were placed in the
       bundle.
      For many bundles, the timestamp is equal to .meta.lastUpdated, because they are not stored
       (e.g. search results). When a bundle is placed in a persistent store, .meta.lastUpdated
       will be usually be changed by the server. When the bundle is a message, a middleware agent
       altering the message (even if not stored) SHOULD update .meta.lastUpdated. .timestamp
       is used to track the original time of the Bundle, and SHOULD be populated.  

      <definition value="The date/time that the bundle was assembled - i.e. when the resources were placed
       in the bundle."/> 
      <comment value="For many bundles, the timestamp is equal to .meta.lastUpdated, because they are

       not stored (e.g. search results). When a bundle is placed in a persistent store,
       .meta.lastUpdated will be usually be changed by the server. When the bundle is
       a message, a middleware agent altering the message (even if not stored) SHOULD
       update .meta.lastUpdated. .timestamp is used to track the original time of the
       Bundle, and SHOULD be populated.  


Usage:

* document : the date the document was created. Note: the composition may predate the
       document, or be associated with multiple documents. The date of the composition - the
       authoring time - may be earlier than the document assembly time
* message : the date that the content of the message was assembled. This date is not changed
       by middleware engines unless they add additional data that changes the meaning of the
       time of the message
* history : the date that the history was assembled. This time would be used as the _since
       time to ask for subsequent updates
* searchset : the time that the search set was assembled. Note that different pages MAY
       have different timestamps but need not. Having different timestamps does not imply that
       subsequent pages will represent or include changes made since the initial query
* transaction | transaction-response | batch | batch-response | collection : no particular
       assigned meaning

* document : the date the document was created. Note: the composition may predate
       the document, or be associated with multiple documents. The date of the composition
       - the authoring time - may be earlier than the document assembly time
* message : the date that the content of the message was assembled. This date is
       not changed by middleware engines unless they add additional data that changes
       the meaning of the time of the message
* history : the date that the history was assembled. This time would be used as
       the _since time to ask for subsequent updates
* searchset : the time that the search set was assembled. Note that different pages
       MAY have different timestamps but need not. Having different timestamps does not
       imply that subsequent pages will represent or include changes made since the initial
       query
* transaction | transaction-response | batch | batch-response | collection : no
       particular assigned meaning


The timestamp value should be greater than the lastUpdated and other timestamps in the
       resources in the bundle, and it should be equal or earlier than the .meta.lastUpdated

The timestamp value should be greater than the lastUpdated and other timestamps
       in the resources in the bundle, and it should be equal or earlier than the .meta.lastUpdated

       on the Bundle itself."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.timestamp"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="instant"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.init"/> 
      </mapping> 
      <mapping> 
        <identity value="cda"/> 
        <map value="ClinicalDocument.effectiveTime"/> 
      </mapping> 
    </element> 
    <element id="Bundle.total">
      <path value="Bundle.total"/> 
      <short value="If search, the total number of matches"/> 
      If a set of search matches, this is the total number of entries of type 'match' across
       all pages in the search.  It does not include search.mode = 'include' or 'outcome' entries
       and it does not provide a count of the number of entries in the Bundle.
      Only used if the bundle is a search result set. The total does not include resources such
       as OperationOutcome and included resources, only the total number of matching resources.

      <definition value="If a set of search matches, this is the (potentially estimated) total number of
       entries of type 'match' across all pages in the search.  It does not include search.mode
       = 'include' or 'outcome' entries and it does not provide a count of the number
       of entries in the Bundle."/> 
      <comment value="Only used if the bundle is a search result set. The total does not include resources

       such as OperationOutcome and included resources, only the total number of matching
       resources."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.total"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="unsignedInt"/> 
      </type> 
      <condition value="bdl-1"/> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.link">
      <path value="Bundle.link"/> 
      <short value="Links related to this Bundle"/> 
      <definition value="A series of links that provide context to this bundle."/> 
      Both Bundle.link and Bundle.entry.link are defined to support providing additional context
       when Bundles are used (e.g. [HATEOAS](http://en.wikipedia.org/wiki/HATEOAS)). 

      <comment value="Both Bundle.link and Bundle.entry.link are defined to support providing additional
       context when Bundles are used (e.g. [HATEOAS](http://en.wikipedia.org/wiki/HATEOAS)).
       


Bundle.entry.link corresponds to links found in the HTTP header if the resource in the
       entry was [read](http.html#read) directly.

Bundle.entry.link corresponds to links found in the HTTP header if the resource
       in the entry was [read](http.html#read) directly.


This specification defines some specific uses of Bundle.link for [searching](search.html#conformance
      ) and [paging](http.html#paging), but no specific uses for Bundle.entry.link, and no defined
       function in a transaction - the meaning is implementation specific.

This specification defines some specific uses of Bundle.link for [searching](search.html#conf
      ormance) and [paging](http.html#paging), but no specific uses for Bundle.entry.link,
       and no defined function in a transaction - the meaning is implementation specific."/> 

      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Bundle.link"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        
        
        

        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.link.id">
      <path value="Bundle.link.id"/> 
      <representation value="xmlAttr"/> 
      <short value="Unique id for inter-element referencing"/> 
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.

      <definition value="Unique id for the element within a resource (for internal references). This may
       be any string value that does not contain spaces."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler
       magic (j)  -->

      <type> 
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/> 
        </extension> 
        <code value="http://hl7.org/fhirpath/System.String"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.link.extension">
      <path value="Bundle.link.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.

       of the element. To make the use of extensions safe and manageable, there is a strict
       set of governance  applied to the definition and use of extensions. Though any
       implementer can define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.link.modifierExtension">
      <path value="Bundle.link.modifierExtension"/> 
      <short value="Extensions that cannot be ignored even if unrecognized"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element and that modifies the understanding of the element in which it is contained
       and/or the understanding of the containing element's descendants. Usually modifier elements
       provide negation or qualification. To make the use of extensions safe and manageable,
       there is a strict set of governance applied to the definition and use of extensions. Though
       any implementer can define an extension, there is a set of requirements that SHALL be
       met as part of the definition of the extension. Applications processing a resource are
       required to check for modifier extensions.

       of the element and that modifies the understanding of the element in which it is
       contained and/or the understanding of the containing element's descendants. Usually
       modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition
       and use of extensions. Though any implementer can define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions.


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource
       (including cannot change the meaning of modifierExtension itself).
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly
       distinguished from the vast majority of extensions which can be safely ignored.  This
       promotes interoperability by eliminating the need for implementers to prohibit the presence
       of extensions. For further information, see the [definition of modifier extensions](extensibility.ht
      ml#modifierExtension).

Modifier extensions SHALL NOT change the meaning of any elements on Resource or
       DomainResource (including cannot change the meaning of modifierExtension itself)."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be

       clearly distinguished from the vast majority of extensions which can be safely
       ignored.  This promotes interoperability by eliminating the need for implementers
       to prohibit the presence of extensions. For further information, see the [definition
       of modifier extensions](extensibility.html#modifierExtension)."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <alias value="modifiers"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="BackboneElement.modifierExtension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="true"/> 
      Modifier extensions are expected to modify the meaning or interpretation of the element
       that contains them

      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the
       element that contains them"/> 

      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="Bundle.link.relation">
      <path value="Bundle.link.relation"/> 
      <short value="See http://www.iana.org/assignments/link-relations/link-relations.xhtml#link-relations-1"/> 
      A name which details the functional use for this link - see [http://www.iana.org/assignments/link-re
      lations/link-relations.xhtml#link-relations-1](http://www.iana.org/assignments/link-relations/link-re
      lations.xhtml#link-relations-1).

      <definition value="A name which details the functional use for this link - see [http://www.iana.org/assignments/
      link-relations/link-relations.xhtml#link-relations-1](http://www.iana.org/assignments/link-rel
      ations/link-relations.xhtml#link-relations-1)."/> 

      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.link.relation"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        

        <code value="code"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"/> 
        <strength value="required"/> 
        <valueSet value="http://hl7.org/fhir/ValueSet/iana-link-relations|5.0.0-snapshot3"/> 
      </binding> 
    </element> 
    <element id="Bundle.link.url">
      <path value="Bundle.link.url"/> 
      <short value="Reference details for the link"/> 
      <definition value="The reference details for the link."/> 
      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.link.url"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="uri"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry">
      <path value="Bundle.entry"/> 
      <short value="Entry in the bundle - will have a resource or information"/> 
      An entry in a bundle resource - will either contain a resource or information about a
       resource (transactions and history only).

      <definition value="An entry in a bundle resource - will either contain a resource or information about
       a resource (transactions and history only)."/> 

      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Bundle.entry"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      For bundles of type 'document' and 'message', the first resource is special (must be Composition
       or MessageHeader respectively). For all bundles, the meaning of the order of entries depends
       on the bundle type

      <orderMeaning value="For bundles of type 'document' and 'message', the first resource is special (must
       be Composition or MessageHeader respectively). For all bundles, the meaning of
       the order of entries depends on the bundle type"/> 

      <constraint> 
        <key value="bdl-5"/> 
        <severity value="error"/> 
        <human value="must be a resource unless there's a request or response"/> 
        <expression value="resource.exists() or request.exists() or response.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-8"/> 
        <severity value="error"/> 
        <human value="fullUrl cannot be a version specific reference"/> 
        <expression value="fullUrl.exists() implies fullUrl.contains('/_history/').not()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        
        
        

        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.id">
      <path value="Bundle.entry.id"/> 
      <representation value="xmlAttr"/> 
      <short value="Unique id for inter-element referencing"/> 
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.

      <definition value="Unique id for the element within a resource (for internal references). This may
       be any string value that does not contain spaces."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler
       magic (j)  -->

      <type> 
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/> 
        </extension> 
        <code value="http://hl7.org/fhirpath/System.String"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.extension">
      <path value="Bundle.entry.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.

       of the element. To make the use of extensions safe and manageable, there is a strict
       set of governance  applied to the definition and use of extensions. Though any
       implementer can define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.modifierExtension">
      <path value="Bundle.entry.modifierExtension"/> 
      <short value="Extensions that cannot be ignored even if unrecognized"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element and that modifies the understanding of the element in which it is contained
       and/or the understanding of the containing element's descendants. Usually modifier elements
       provide negation or qualification. To make the use of extensions safe and manageable,
       there is a strict set of governance applied to the definition and use of extensions. Though
       any implementer can define an extension, there is a set of requirements that SHALL be
       met as part of the definition of the extension. Applications processing a resource are
       required to check for modifier extensions.

       of the element and that modifies the understanding of the element in which it is
       contained and/or the understanding of the containing element's descendants. Usually
       modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition
       and use of extensions. Though any implementer can define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions.


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource
       (including cannot change the meaning of modifierExtension itself).
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly
       distinguished from the vast majority of extensions which can be safely ignored.  This
       promotes interoperability by eliminating the need for implementers to prohibit the presence
       of extensions. For further information, see the [definition of modifier extensions](extensibility.ht
      ml#modifierExtension).

Modifier extensions SHALL NOT change the meaning of any elements on Resource or
       DomainResource (including cannot change the meaning of modifierExtension itself)."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be

       clearly distinguished from the vast majority of extensions which can be safely
       ignored.  This promotes interoperability by eliminating the need for implementers
       to prohibit the presence of extensions. For further information, see the [definition
       of modifier extensions](extensibility.html#modifierExtension)."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <alias value="modifiers"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="BackboneElement.modifierExtension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="true"/> 
      Modifier extensions are expected to modify the meaning or interpretation of the element
       that contains them

      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the
       element that contains them"/> 

      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.link">
      <path value="Bundle.entry.link"/> 
      <short value="Links related to this entry"/> 
      <definition value="A series of links that provide context to this entry."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Bundle.entry.link"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <contentReference value="#Bundle.link"/> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.fullUrl">
      <path value="Bundle.entry.fullUrl"/> 
      
      The Absolute URL for the resource.  The fullUrl SHALL NOT disagree with the id in the
       resource - i.e. if the fullUrl is not a urn:uuid, the URL shall be version-independent
       URL consistent with the Resource.id. The fullUrl is a version independent reference to
       the resource. The fullUrl element SHALL have a value except that: 
* fullUrl can be empty on a POST (although it does not need to when specifying a temporary
       id for reference in the bundle)
* Results from operations might involve resources that are not identified.

      <short value="URI for resource (e.g. the absolute URL server address, URI for UUID/OID, etc.)"/> 
      <definition value="The Absolute URL for the resource. Except for transactions and batches, each entry
       in a Bundle must have a fullUrl. The fullUrl SHALL NOT disagree with the id in
       the resource - i.e. if the fullUrl is not a urn:uuid, the URL shall be version-independent
       URL consistent with the Resource.id. The fullUrl is a version independent reference
       to the resource. Even when not required, fullUrl MAY be set to a urn:uuid to allow
       referencing entries in a transaction. The fullUrl can be an arbitrary URI and is
       not limited to urn:uuid, urn:oid, http, and https. The fullUrl element SHALL have
       a value except when: 
* invoking a create
* invoking or responding to an operation where the body is not a single identified
       resource
* invoking or returning the results of a search or history operation."/> 

      <comment value="fullUrl might not be [unique in the context of a resource](bundle.html#bundle-unique).
       Note that since [FHIR resources do not need to be served through the FHIR API](references.html),
       the fullURL might be a URN or an absolute URL that does not end with the logical id of
       the resource (Resource.id). However, but if the fullUrl does look like a RESTful server
       URL (e.g. meets the [regex](references.html#regex), then the 'id' portion of the fullUrl
       SHALL end with the Resource.id.

       Note that since [FHIR resources do not need to be served through the FHIR API](references.htm
      l), the fullURL might be a URN or an absolute URL that does not end with the logical
       id of the resource (Resource.id). However, but if the fullUrl does look like a
       RESTful server URL (e.g. meets the [regex](references.html#regex), then the 'id'
       portion of the fullUrl SHALL end with the Resource.id.


Note that the fullUrl is not the same as the canonical URL - it's an absolute url for
       an endpoint serving the resource (these will happen to have the same value on the canonical
       server for the resource with the canonical URL).

Note that the fullUrl is not the same as the canonical URL - it's an absolute url
       for an endpoint serving the resource (these will happen to have the same value
       on the canonical server for the resource with the canonical URL)."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.fullUrl"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="uri"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.resource">
      <path value="Bundle.entry.resource"/> 
      <short value="A resource in the bundle"/> 
      

      <definition value="The Resource for the entry. The purpose/meaning of the resource is determined by
       the Bundle.type. This is allowed to be a Parameters resource if and only if it
       is referenced by something else within the Bundle that provides context/meaning."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.resource"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Resource"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.search">
      <path value="Bundle.entry.search"/> 
      <short value="Search related information"/> 
      <definition value="Information about the search process that lead to the creation of this entry."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.search"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <condition value="bdl-2"/> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        
        
        

        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.search.id">
      <path value="Bundle.entry.search.id"/> 
      <representation value="xmlAttr"/> 
      <short value="Unique id for inter-element referencing"/> 
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.

      <definition value="Unique id for the element within a resource (for internal references). This may
       be any string value that does not contain spaces."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler
       magic (j)  -->

      <type> 
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/> 
        </extension> 
        <code value="http://hl7.org/fhirpath/System.String"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.search.extension">
      <path value="Bundle.entry.search.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.

       of the element. To make the use of extensions safe and manageable, there is a strict
       set of governance  applied to the definition and use of extensions. Though any
       implementer can define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.search.modifierExtension">
      <path value="Bundle.entry.search.modifierExtension"/> 
      <short value="Extensions that cannot be ignored even if unrecognized"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element and that modifies the understanding of the element in which it is contained
       and/or the understanding of the containing element's descendants. Usually modifier elements
       provide negation or qualification. To make the use of extensions safe and manageable,
       there is a strict set of governance applied to the definition and use of extensions. Though
       any implementer can define an extension, there is a set of requirements that SHALL be
       met as part of the definition of the extension. Applications processing a resource are
       required to check for modifier extensions.

       of the element and that modifies the understanding of the element in which it is
       contained and/or the understanding of the containing element's descendants. Usually
       modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition
       and use of extensions. Though any implementer can define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions.


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource
       (including cannot change the meaning of modifierExtension itself).
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly
       distinguished from the vast majority of extensions which can be safely ignored.  This
       promotes interoperability by eliminating the need for implementers to prohibit the presence
       of extensions. For further information, see the [definition of modifier extensions](extensibility.ht
      ml#modifierExtension).

Modifier extensions SHALL NOT change the meaning of any elements on Resource or
       DomainResource (including cannot change the meaning of modifierExtension itself)."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be

       clearly distinguished from the vast majority of extensions which can be safely
       ignored.  This promotes interoperability by eliminating the need for implementers
       to prohibit the presence of extensions. For further information, see the [definition
       of modifier extensions](extensibility.html#modifierExtension)."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <alias value="modifiers"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="BackboneElement.modifierExtension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="true"/> 
      Modifier extensions are expected to modify the meaning or interpretation of the element
       that contains them

      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the
       element that contains them"/> 

      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.search.mode">
      <path value="Bundle.entry.search.mode"/> 
      
      Why this entry is in the result set - whether it's included as a match or because of an
       _include requirement, or to convey information or warning information about the search
       process.
      There is only one mode. In some corner cases, a resource may be included because it is
       both a match and an include. In these circumstances, 'match' takes precedence.

      <short value="match | include - why this is in the result set"/> 
      <definition value="Why this entry is in the result set - whether it's included as a match or because
       of an _include requirement, or to convey information or warning information about
       the search process."/> 
      <comment value="There is only one mode. In some corner cases, a resource may be included because

       it is both a match and an include. In these circumstances, 'match' takes precedence."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.search.mode"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SearchEntryMode"/> 
        </extension> 
        <strength value="required"/> 
        Why an entry is in the result set - whether it's included as a match or because of an
         _include requirement, or to convey information or warning information about the search
         process.
        

        <description value="Why an entry is in the result set - whether it's included as a match or because
         of an _include requirement, or to convey information or warning information about
         the search process."/> 
        <valueSet value="http://hl7.org/fhir/ValueSet/search-entry-mode|5.0.0-snapshot3"/> 
      </binding> 
    </element> 
    <element id="Bundle.entry.search.score">
      <path value="Bundle.entry.search.score"/> 
      <short value="Search ranking (between 0 and 1)"/> 
      <definition value="When searching, the server's search ranking score for the entry."/> 
      Servers are not required to return a ranking score. 1 is most relevant, and 0 is least
       relevant. Often, search results are sorted by score, but the client may specify a different
       sort order.

      <comment value="Servers are not required to return a ranking score. 1 is most relevant, and 0 is
       least relevant. Often, search results are sorted by score, but the client may specify
       a different sort order.


See [Patient Match](patient-operation-match.html) for the EMPI search which relates to
       this element.

See [Patient Match](patient-operation-match.html) for the EMPI search which relates
       to this element."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.search.score"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="decimal"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request">
      <path value="Bundle.entry.request"/> 
      <short value="Additional execution information (transaction/batch/history)"/> 
      <definition value="Additional information about how this entry should be processed as part of a transaction
       or batch.  For history, it shows how the entry was processed to create the version contained
       in the entry.

       or batch.  For history, it shows how the entry was processed to create the version
       contained in the entry."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.request"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <condition value="bdl-3"/> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        
        
        

        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.id">
      <path value="Bundle.entry.request.id"/> 
      <representation value="xmlAttr"/> 
      <short value="Unique id for inter-element referencing"/> 
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.

      <definition value="Unique id for the element within a resource (for internal references). This may
       be any string value that does not contain spaces."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler
       magic (j)  -->

      <type> 
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/> 
        </extension> 
        <code value="http://hl7.org/fhirpath/System.String"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.request.extension">
      <path value="Bundle.entry.request.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.

       of the element. To make the use of extensions safe and manageable, there is a strict
       set of governance  applied to the definition and use of extensions. Though any
       implementer can define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.request.modifierExtension">
      <path value="Bundle.entry.request.modifierExtension"/> 
      <short value="Extensions that cannot be ignored even if unrecognized"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element and that modifies the understanding of the element in which it is contained
       and/or the understanding of the containing element's descendants. Usually modifier elements
       provide negation or qualification. To make the use of extensions safe and manageable,
       there is a strict set of governance applied to the definition and use of extensions. Though
       any implementer can define an extension, there is a set of requirements that SHALL be
       met as part of the definition of the extension. Applications processing a resource are
       required to check for modifier extensions.

       of the element and that modifies the understanding of the element in which it is
       contained and/or the understanding of the containing element's descendants. Usually
       modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition
       and use of extensions. Though any implementer can define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions.


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource
       (including cannot change the meaning of modifierExtension itself).
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly
       distinguished from the vast majority of extensions which can be safely ignored.  This
       promotes interoperability by eliminating the need for implementers to prohibit the presence
       of extensions. For further information, see the [definition of modifier extensions](extensibility.ht
      ml#modifierExtension).

Modifier extensions SHALL NOT change the meaning of any elements on Resource or
       DomainResource (including cannot change the meaning of modifierExtension itself)."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be

       clearly distinguished from the vast majority of extensions which can be safely
       ignored.  This promotes interoperability by eliminating the need for implementers
       to prohibit the presence of extensions. For further information, see the [definition
       of modifier extensions](extensibility.html#modifierExtension)."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <alias value="modifiers"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="BackboneElement.modifierExtension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="true"/> 
      Modifier extensions are expected to modify the meaning or interpretation of the element
       that contains them

      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the
       element that contains them"/> 

      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.request.method">
      <path value="Bundle.entry.request.method"/> 
      <short value="GET | HEAD | POST | PUT | DELETE | PATCH"/> 
      In a transaction or batch, this is the HTTP action to be executed for this entry. In a
       history bundle, this indicates the HTTP action that occurred.

      <definition value="In a transaction or batch, this is the HTTP action to be executed for this entry.
       In a history bundle, this indicates the HTTP action that occurred."/> 

      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.request.method"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="HTTPVerb"/> 
        </extension> 
        <strength value="required"/> 
        <description value="HTTP verbs (in the HTTP command line). See [HTTP rfc](https://tools.ietf.org/html/rfc7231)
         for details."/> 
        

        <valueSet value="http://hl7.org/fhir/ValueSet/http-verb|5.0.0-snapshot3"/> 
      </binding> 
    </element> 
    <element id="Bundle.entry.request.url">
      <path value="Bundle.entry.request.url"/> 
      <short value="URL for HTTP equivalent of this entry"/> 
      
      E.g. for a Patient Create, the method would be &quot;POST&quot; and the URL would be &quot;Patient&q
      uot;. For a Patient Update, the method would be PUT and the URL would be &quot;Patient/[id]&quot;.

      <definition value="The URL for this entry, relative to the root (the address to which the request
       is posted)."/> 
      <comment value="E.g. for a Patient Create, the method would be &quot;POST&quot; and the URL would

       be &quot;Patient&quot;. For a Patient Update, the method would be PUT and the URL
       would be &quot;Patient/[id]&quot;."/> 

      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.request.url"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="uri"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.ifNoneMatch">
      <path value="Bundle.entry.request.ifNoneMatch"/> 
      

      <short value="For managing cache validation"/> 
      <definition value="If the ETag values match, return a 304 Not Modified status. See the API documentation
       for [&quot;Conditional Read&quot;](http.html#cread)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.request.ifNoneMatch"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.ifModifiedSince">
      <path value="Bundle.entry.request.ifModifiedSince"/> 
      <short value="For managing cache currency"/> 
      <definition value="Only perform the operation if the last updated date matches. See the API documentation
       for [&quot;Conditional Read&quot;](http.html#cread)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.request.ifModifiedSince"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="instant"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.ifMatch">
      <path value="Bundle.entry.request.ifMatch"/> 
      <short value="For managing update contention"/> 
      Only perform the operation if the Etag value matches. For more information, see the API
       section [&quot;Managing Resource Contention&quot;](http.html#concurrency).

      <definition value="Only perform the operation if the Etag value matches. For more information, see
       the API section [&quot;Managing Resource Contention&quot;](http.html#concurrency)."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.request.ifMatch"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.ifNoneExist">
      <path value="Bundle.entry.request.ifNoneExist"/> 
      <short value="For conditional creates"/> 
      <definition value="Instruct the server not to perform the create if a specified resource already exists.
       For further information, see the API documentation for [&quot;Conditional Create&quot;](http.html#cc
      reate). This is just the query portion of the URL - what follows the &quot;?&quot; (not
       including the &quot;?&quot;).

       For further information, see the API documentation for [&quot;Conditional Create&quot;](http.
      html#ccreate). This is just the query portion of the URL - what follows the &quot;?&quot;
       (not including the &quot;?&quot;)."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.request.ifNoneExist"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response">
      <path value="Bundle.entry.response"/> 
      <short value="Results of execution (transaction/batch/history)"/> 
      Indicates the results of processing the corresponding 'request' entry in the batch or
       transaction being responded to or what the results of an operation where when returning
       history.

      <definition value="Indicates the results of processing the corresponding 'request' entry in the batch
       or transaction being responded to or what the results of an operation where when
       returning history."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.response"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <condition value="bdl-4"/> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        
        
        

        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.id">
      <path value="Bundle.entry.response.id"/> 
      <representation value="xmlAttr"/> 
      <short value="Unique id for inter-element referencing"/> 
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.

      <definition value="Unique id for the element within a resource (for internal references). This may
       be any string value that does not contain spaces."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler
       magic (j)  -->

      <type> 
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/> 
        </extension> 
        <code value="http://hl7.org/fhirpath/System.String"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.response.extension">
      <path value="Bundle.entry.response.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.

       of the element. To make the use of extensions safe and manageable, there is a strict
       set of governance  applied to the definition and use of extensions. Though any
       implementer can define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.response.modifierExtension">
      <path value="Bundle.entry.response.modifierExtension"/> 
      <short value="Extensions that cannot be ignored even if unrecognized"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element and that modifies the understanding of the element in which it is contained
       and/or the understanding of the containing element's descendants. Usually modifier elements
       provide negation or qualification. To make the use of extensions safe and manageable,
       there is a strict set of governance applied to the definition and use of extensions. Though
       any implementer can define an extension, there is a set of requirements that SHALL be
       met as part of the definition of the extension. Applications processing a resource are
       required to check for modifier extensions.

       of the element and that modifies the understanding of the element in which it is
       contained and/or the understanding of the containing element's descendants. Usually
       modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition
       and use of extensions. Though any implementer can define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions.


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource
       (including cannot change the meaning of modifierExtension itself).
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly
       distinguished from the vast majority of extensions which can be safely ignored.  This
       promotes interoperability by eliminating the need for implementers to prohibit the presence
       of extensions. For further information, see the [definition of modifier extensions](extensibility.ht
      ml#modifierExtension).

Modifier extensions SHALL NOT change the meaning of any elements on Resource or
       DomainResource (including cannot change the meaning of modifierExtension itself)."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be

       clearly distinguished from the vast majority of extensions which can be safely
       ignored.  This promotes interoperability by eliminating the need for implementers
       to prohibit the presence of extensions. For further information, see the [definition
       of modifier extensions](extensibility.html#modifierExtension)."/> 

      <alias value="extensions"/> 
      <alias value="user content"/> 
      <alias value="modifiers"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="BackboneElement.modifierExtension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <constraint> 
        <key value="ext-1"/> 
        <severity value="error"/> 
        <human value="Must have either extensions or value[x], not both"/> 
        <expression value="extension.exists() != value.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
      </constraint> 
      <isModifier value="true"/> 
      Modifier extensions are expected to modify the meaning or interpretation of the element
       that contains them

      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the
       element that contains them"/> 

      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="Bundle.entry.response.status">
      <path value="Bundle.entry.response.status"/> 
      <short value="Status response code (text optional)"/> 
      The status code returned by processing this entry. The status SHALL start with a 3 digit
       HTTP code (e.g. 404) and may contain the standard HTTP description associated with the
       status code.

      <definition value="The status code returned by processing this entry. The status SHALL start with
       a 3 digit HTTP code (e.g. 404) and may contain the standard HTTP description associated
       with the status code."/> 

      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.response.status"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.location">
      <path value="Bundle.entry.response.location"/> 
      <short value="The location (if the operation returns a location)"/> 
      The location header created by processing this operation, populated if the operation returns
       a location.

      <definition value="The location header created by processing this operation, populated if the operation
       returns a location."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.response.location"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="uri"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.etag">
      <path value="Bundle.entry.response.etag"/> 
      <short value="The Etag for the resource (if relevant)"/> 
      The Etag for the resource, if the operation for the entry produced a versioned resource
       (see [Resource Metadata and Versioning](http.html#versioning) and [Managing Resource Contention](htt
      p.html#concurrency)).
      Etags match the Resource.meta.versionId. The ETag has to match the version id in the header
       if a resource is included.

      <definition value="The Etag for the resource, if the operation for the entry produced a versioned
       resource (see [Resource Metadata and Versioning](http.html#versioning) and [Managing
       Resource Contention](http.html#concurrency))."/> 
      <comment value="Etags match the Resource.meta.versionId. The ETag has to match the version id in

       the header if a resource is included."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.response.etag"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.lastModified">
      <path value="Bundle.entry.response.lastModified"/> 
      <short value="Server's date time modified"/> 
      <definition value="The date/time that the resource was modified on the server."/> 
      This has to match the same time in the meta header (meta.lastUpdated) if a resource is
       included.

      <comment value="This has to match the same time in the meta header (meta.lastUpdated) if a resource
       is included."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.response.lastModified"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="instant"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.outcome">
      <path value="Bundle.entry.response.outcome"/> 
      <short value="OperationOutcome with hints and warnings (for batch/transaction)"/> 
      An OperationOutcome containing hints and warnings produced as part of processing this
       entry in a batch or transaction.
      For a POST/PUT operation, this is the equivalent outcome that would be returned for prefer
       = operationoutcome - except that the resource is always returned whether or not the outcome
       is returned.

      <definition value="An OperationOutcome containing hints and warnings produced as part of processing
       this entry in a batch or transaction."/> 
      <comment value="For a POST/PUT operation, this is the equivalent outcome that would be returned

       for prefer = operationoutcome - except that the resource is always returned whether
       or not the outcome is returned.


This outcome is not used for error responses in batch/transaction, only for hints and
       warnings. In a batch operation, the error will be in Bundle.entry.response, and for transaction,
       there will be a single OperationOutcome instead of a bundle in the case of an error.

This outcome is not used for error responses in batch/transaction, only for hints
       and warnings. In a batch operation, the error will be in Bundle.entry.response,
       and for transaction, there will be a single OperationOutcome instead of a bundle
       in the case of an error."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.entry.response.outcome"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Resource"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.signature">
      

      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="trial-use"/> 
      

      </extension> 
      <path value="Bundle.signature"/> 
      <short value="Digital Signature"/> 
      
      The signature could be created by the &quot;author&quot; of the bundle or by the originating
       device.   Requirements around inclusion of a signature, verification of signatures and
       treatment of signed/non-signed bundles is implementation-environment specific.
      A Signature holds an electronic representation of a signature and its supporting context
       in a FHIR accessible form. The signature may either be a cryptographic type (XML DigSig
       or a JWS), which is able to provide non-repudiation proof, or it may be a graphical image
       that represents a signature or a signature process. This element allows capturing signatures
       on documents, messages, transactions or even search responses, to support content-authentication,
       non-repudiation or other business cases. This is primarily relevant where the bundle may
       travel through multiple hops or via other mechanisms where HTTPS non-repudiation is insufficient.

      <definition value="Digital Signature - base64 encoded. XML-DSig or a JWS."/> 
      <comment value="The signature could be created by the &quot;author&quot; of the bundle or by the
       originating device.   Requirements around inclusion of a signature, verification
       of signatures and treatment of signed/non-signed bundles is implementation-environment
       specific."/> 
      <requirements value="A Signature holds an electronic representation of a signature and its supporting

       context in a FHIR accessible form. The signature may either be a cryptographic
       type (XML DigSig or a JWS), which is able to provide non-repudiation proof, or
       it may be a graphical image that represents a signature or a signature process.
       This element allows capturing signatures on documents, messages, transactions or
       even search responses, to support content-authentication, non-repudiation or other
       business cases. This is primarily relevant where the bundle may travel through
       multiple hops or via other mechanisms where HTTPS non-repudiation is insufficient."/> 

      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.signature"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Signature"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() or (children().count() &gt; id.count())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Element"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.issues">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="trial-use"/> 
      </extension> 
      <path value="Bundle.issues"/> 
      <short value="Issues with the Bundle"/> 
      <definition value="Captures issues and warnings that relate to the construction of the Bundle and
       the content within it."/> 
      <comment value="Usage notes: These issues and warnings must apply to the Bundle as a whole, not

       to individual entries.Messages relating to the processing of individual entries
       (e.g. in a batch or transaction) SHALL be reported in the entry.response.outcome
       for that entry.  If there are errors that arise in the creation of the Bundle,
       then that should be handled by an OperationOutcome being returned instead of the
       Bundle."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Bundle.issues"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Resource"/> 
        <profile value="http://hl7.org/fhir/StructureDefinition/OperationOutcome"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
  </snapshot> 
  <differential> 
    <element id="Bundle">
      <path value="Bundle"/> 
      <short value="Contains a collection of resources"/> 
      <definition value="A container for a collection of resources."/> 
      <min value="0"/> 
      <max value="*"/> 
      <constraint> 
        <key value="bdl-7"/> 
        <severity value="error"/> 
        FullUrl must be unique in a bundle, or else entries with the same fullUrl must have different
         meta.versionId (except in history bundles)
        (type = 'history') or entry.where(fullUrl.exists()).select(fullUrl&amp;resource.meta.versionId).isDi
        stinct()
        (f:type/@value = 'history') or (count(for $entry in f:entry[f:resource] return $entry[count(parent::
        f:Bundle/f:entry[f:fullUrl/@value=$entry/f:fullUrl/@value and ((not(f:resource/*/f:meta/f:versionId/@
        value) and not($entry/f:resource/*/f:meta/f:versionId/@value)) or f:resource/*/f:meta/f:versionId/@va
        lue=$entry/f:resource/*/f:meta/f:versionId/@value)])!=1])=0)

        <human value="FullUrl must be unique in a bundle, or else entries with the same fullUrl must
         have different meta.versionId (except in history bundles)"/> 
        <expression value="(type = 'history') or entry.where(fullUrl.exists()).select(fullUrl&amp;resource.meta.versionI

        d).isDistinct()"/> 

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-9"/> 
        <severity value="error"/> 
        <human value="A document must have an identifier with a system and a value"/> 
        <expression value="type = 'document' implies (identifier.system.exists() and identifier.value.exists())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-3"/> 
        <severity value="error"/> 
        

        <human value="entry.request mandatory for batch/transaction/history, allowed for subscription-notification,
         otherwise prohibited"/> 

        <expression value="entry.all(request.exists() = (%resource.type = 'batch' or %resource.type = 'transaction'
         or %resource.type = 'history'))
        not(f:entry/f:request) or (f:type/@value = 'batch') or (f:type/@value = 'transaction')
         or (f:type/@value = 'history')

         or %resource.type = 'history')) or (type='subscription-notification')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-17"/> 
        <severity value="error"/> 
        <human value="Use and meaning of issues for documents has not been validated because the content

         will not be rendered in the document."/> 
        <expression value="type = 'document' implies issues.empty()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-4"/> 
        <severity value="error"/> 
        
        entry.all(response.exists() = (%resource.type = 'batch-response' or %resource.type = 'transaction-re
        sponse' or %resource.type = 'history'))
        not(f:entry/f:response) or (f:type/@value = 'batch-response') or (f:type/@value = 'transaction-respo
        nse') or (f:type/@value = 'history')

        <human value="entry.response mandatory for batch-response/transaction-response/history, allowed
         for subscription-notification, otherwise prohibited"/> 
        <expression value="entry.all(response.exists() = (%resource.type = 'batch-response' or %resource.type

         = 'transaction-response' or %resource.type = 'history')) or (type='subscription-notification'
        )"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-16"/> 
        <severity value="error"/> 
        <human value="Issue.severity for all issues within the OperationOutcome must be either 'information'

         or 'warning'."/> 
        <expression value="issues.exists() implies (issues.OperationOutcome.issue.severity = 'information'

         or issues.OperationOutcome.issue.severity = 'warning')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-13"/> 
        <severity value="error"/> 
        <human value="A subscription-notification must have a SubscriptionStatus as the first resource"/> 
        <expression value="type = 'subscription-notification' implies entry.first().resource.is(SubscriptionStatus)"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-12"/> 
        <severity value="error"/> 
        <human value="A message must have a MessageHeader as the first resource"/> 
        <expression value="type = 'message' implies entry.first().resource.is(MessageHeader)"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        

        <key value="bdl-15"/> 
        <severity value="error"/> 
        
        
        

        <human value="Bundle resources where type is not transaction, transaction-response, batch, or
         batch-response or when the request is a POST SHALL have Bundle.entry.fullUrl populated"/> 
        <expression value="type='transaction' or type='transaction-response' or type='batch' or type='batch-response'

         or entry.all(fullUrl.exists() or request.method='POST')"/> 

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        

        <key value="bdl-14"/> 
        <severity value="error"/> 
        
        
        

        <human value="entry.request.method PATCH not allowed for history"/> 
        <expression value="type = 'history' implies entry.request.method != 'PATCH'"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-11"/> 
        <severity value="error"/> 
        <human value="A document must have a Composition as the first resource"/> 
        <expression value="type = 'document' implies entry.first().resource.is(Composition)"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-10"/> 
        <severity value="error"/> 
        <human value="A document must have a date"/> 
        <expression value="type = 'document' implies (timestamp.hasValue())"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-1"/> 
        <severity value="error"/> 
        <human value="total only when a search or history"/> 
        <expression value="total.empty() or (type = 'searchset') or (type = 'history')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-2"/> 
        <severity value="error"/> 
        <human value="entry.search only when a search"/> 
        <expression value="entry.search.empty() or (type = 'searchset')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="N/A"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
      <mapping> 
        <identity value="cda"/> 
        <map value="ClinicalDocument, if bundle.type = document"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="infrastructure.structure"/> 
      </mapping> 
    </element> 
    <element id="Bundle.identifier">
      <path value="Bundle.identifier"/> 
      <short value="Persistent identifier for the bundle"/> 
      A persistent identifier for the bundle that won't change as a bundle is copied from server
       to server.
      Persistent identity generally only matters for batches of type Document, Message, and
       Collection. It would not normally be populated for search and history results and servers
       ignore Bundle.identifier when processing batches and transactions. For Documents  the
       .identifier SHALL be populated such that the .identifier is globally unique.

      <definition value="A persistent identifier for the bundle that won't change as a bundle is copied
       from server to server."/> 
      <comment value="Persistent identity generally only matters for batches of type Document, Message,

       and Collection. It would not normally be populated for search and history results
       and servers ignore Bundle.identifier when processing batches and transactions.
       For Documents  the .identifier SHALL be populated such that the .identifier is
       globally unique."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="cda"/> 
        <map value="ClinicalDocument.id"/> 
      </mapping> 
    </element> 
    <element id="Bundle.type">
      <path value="Bundle.type"/> 
      document | message | transaction | transaction-response | batch | batch-response | history
       | searchset | collection

      <short value="document | message | transaction | transaction-response | batch | batch-response
       | history | searchset | collection | subscription-notification"/> 

      <definition value="Indicates the purpose of this bundle - how it is intended to be used."/> 
      It's possible to use a bundle for other purposes (e.g. a document can be accepted as a
       transaction). This is primarily defined so that there can be specific rules for some of
       the bundle types.

      <comment value="It's possible to use a bundle for other purposes (e.g. a document can be accepted
       as a transaction). This is primarily defined so that there can be specific rules
       for some of the bundle types."/> 

      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="BundleType"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Indicates the purpose of a bundle - how it is intended to be used."/> 
        

        <valueSet value="http://hl7.org/fhir/ValueSet/bundle-type|5.0.0-snapshot3"/> 
      </binding> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.class"/> 
      </mapping> 
    </element> 
    <element id="Bundle.timestamp">
      <path value="Bundle.timestamp"/> 
      <short value="When the bundle was assembled"/> 
      The date/time that the bundle was assembled - i.e. when the resources were placed in the
       bundle.
      For many bundles, the timestamp is equal to .meta.lastUpdated, because they are not stored
       (e.g. search results). When a bundle is placed in a persistent store, .meta.lastUpdated
       will be usually be changed by the server. When the bundle is a message, a middleware agent
       altering the message (even if not stored) SHOULD update .meta.lastUpdated. .timestamp
       is used to track the original time of the Bundle, and SHOULD be populated.  

      <definition value="The date/time that the bundle was assembled - i.e. when the resources were placed
       in the bundle."/> 
      <comment value="For many bundles, the timestamp is equal to .meta.lastUpdated, because they are

       not stored (e.g. search results). When a bundle is placed in a persistent store,
       .meta.lastUpdated will be usually be changed by the server. When the bundle is
       a message, a middleware agent altering the message (even if not stored) SHOULD
       update .meta.lastUpdated. .timestamp is used to track the original time of the
       Bundle, and SHOULD be populated.  


Usage:

* document : the date the document was created. Note: the composition may predate the
       document, or be associated with multiple documents. The date of the composition - the
       authoring time - may be earlier than the document assembly time
* message : the date that the content of the message was assembled. This date is not changed
       by middleware engines unless they add additional data that changes the meaning of the
       time of the message
* history : the date that the history was assembled. This time would be used as the _since
       time to ask for subsequent updates
* searchset : the time that the search set was assembled. Note that different pages MAY
       have different timestamps but need not. Having different timestamps does not imply that
       subsequent pages will represent or include changes made since the initial query
* transaction | transaction-response | batch | batch-response | collection : no particular
       assigned meaning

* document : the date the document was created. Note: the composition may predate
       the document, or be associated with multiple documents. The date of the composition
       - the authoring time - may be earlier than the document assembly time
* message : the date that the content of the message was assembled. This date is
       not changed by middleware engines unless they add additional data that changes
       the meaning of the time of the message
* history : the date that the history was assembled. This time would be used as
       the _since time to ask for subsequent updates
* searchset : the time that the search set was assembled. Note that different pages
       MAY have different timestamps but need not. Having different timestamps does not
       imply that subsequent pages will represent or include changes made since the initial
       query
* transaction | transaction-response | batch | batch-response | collection : no
       particular assigned meaning


The timestamp value should be greater than the lastUpdated and other timestamps in the
       resources in the bundle, and it should be equal or earlier than the .meta.lastUpdated

The timestamp value should be greater than the lastUpdated and other timestamps
       in the resources in the bundle, and it should be equal or earlier than the .meta.lastUpdated

       on the Bundle itself."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="instant"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.init"/> 
      </mapping> 
      <mapping> 
        <identity value="cda"/> 
        <map value="ClinicalDocument.effectiveTime"/> 
      </mapping> 
    </element> 
    <element id="Bundle.total">
      <path value="Bundle.total"/> 
      <short value="If search, the total number of matches"/> 
      If a set of search matches, this is the total number of entries of type 'match' across
       all pages in the search.  It does not include search.mode = 'include' or 'outcome' entries
       and it does not provide a count of the number of entries in the Bundle.
      Only used if the bundle is a search result set. The total does not include resources such
       as OperationOutcome and included resources, only the total number of matching resources.

      <definition value="If a set of search matches, this is the (potentially estimated) total number of
       entries of type 'match' across all pages in the search.  It does not include search.mode
       = 'include' or 'outcome' entries and it does not provide a count of the number
       of entries in the Bundle."/> 
      <comment value="Only used if the bundle is a search result set. The total does not include resources

       such as OperationOutcome and included resources, only the total number of matching
       resources."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="unsignedInt"/> 
      </type> 
      <condition value="bdl-1"/> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.link">
      <path value="Bundle.link"/> 
      <short value="Links related to this Bundle"/> 
      <definition value="A series of links that provide context to this bundle."/> 
      Both Bundle.link and Bundle.entry.link are defined to support providing additional context
       when Bundles are used (e.g. [HATEOAS](http://en.wikipedia.org/wiki/HATEOAS)). 

      <comment value="Both Bundle.link and Bundle.entry.link are defined to support providing additional
       context when Bundles are used (e.g. [HATEOAS](http://en.wikipedia.org/wiki/HATEOAS)).
       


Bundle.entry.link corresponds to links found in the HTTP header if the resource in the
       entry was [read](http.html#read) directly.

Bundle.entry.link corresponds to links found in the HTTP header if the resource
       in the entry was [read](http.html#read) directly.


This specification defines some specific uses of Bundle.link for [searching](search.html#conformance
      ) and [paging](http.html#paging), but no specific uses for Bundle.entry.link, and no defined
       function in a transaction - the meaning is implementation specific.

This specification defines some specific uses of Bundle.link for [searching](search.html#conf
      ormance) and [paging](http.html#paging), but no specific uses for Bundle.entry.link,
       and no defined function in a transaction - the meaning is implementation specific."/> 

      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.link.relation">
      <path value="Bundle.link.relation"/> 
      <short value="See http://www.iana.org/assignments/link-relations/link-relations.xhtml#link-relations-1"/> 
      A name which details the functional use for this link - see [http://www.iana.org/assignments/link-re
      lations/link-relations.xhtml#link-relations-1](http://www.iana.org/assignments/link-relations/link-re
      lations.xhtml#link-relations-1).

      <definition value="A name which details the functional use for this link - see [http://www.iana.org/assignments/
      link-relations/link-relations.xhtml#link-relations-1](http://www.iana.org/assignments/link-rel
      ations/link-relations.xhtml#link-relations-1)."/> 

      <min value="1"/> 
      <max value="1"/> 
      <type> 
        

        <code value="code"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"/> 
        <strength value="required"/> 
        <valueSet value="http://hl7.org/fhir/ValueSet/iana-link-relations|5.0.0-snapshot3"/> 
      </binding> 
    </element> 
    <element id="Bundle.link.url">
      <path value="Bundle.link.url"/> 
      <short value="Reference details for the link"/> 
      <definition value="The reference details for the link."/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="uri"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry">
      <path value="Bundle.entry"/> 
      <short value="Entry in the bundle - will have a resource or information"/> 
      An entry in a bundle resource - will either contain a resource or information about a
       resource (transactions and history only).

      <definition value="An entry in a bundle resource - will either contain a resource or information about
       a resource (transactions and history only)."/> 

      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      For bundles of type 'document' and 'message', the first resource is special (must be Composition
       or MessageHeader respectively). For all bundles, the meaning of the order of entries depends
       on the bundle type

      <orderMeaning value="For bundles of type 'document' and 'message', the first resource is special (must
       be Composition or MessageHeader respectively). For all bundles, the meaning of
       the order of entries depends on the bundle type"/> 

      <constraint> 
        <key value="bdl-8"/> 
        <severity value="error"/> 
        <human value="fullUrl cannot be a version specific reference"/> 
        <expression value="fullUrl.exists() implies fullUrl.contains('/_history/').not()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <constraint> 
        <key value="bdl-5"/> 
        <severity value="error"/> 
        <human value="must be a resource unless there's a request or response"/> 
        <expression value="resource.exists() or request.exists() or response.exists()"/> 
        

        <source value="http://hl7.org/fhir/StructureDefinition/Bundle"/> 
      </constraint> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.link">
      <path value="Bundle.entry.link"/> 
      <short value="Links related to this entry"/> 
      <definition value="A series of links that provide context to this entry."/> 
      <min value="0"/> 
      <max value="*"/> 
      <contentReference value="#Bundle.link"/> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.fullUrl">
      <path value="Bundle.entry.fullUrl"/> 
      
      The Absolute URL for the resource.  The fullUrl SHALL NOT disagree with the id in the
       resource - i.e. if the fullUrl is not a urn:uuid, the URL shall be version-independent
       URL consistent with the Resource.id. The fullUrl is a version independent reference to
       the resource. The fullUrl element SHALL have a value except that: 
* fullUrl can be empty on a POST (although it does not need to when specifying a temporary
       id for reference in the bundle)
* Results from operations might involve resources that are not identified.

      <short value="URI for resource (e.g. the absolute URL server address, URI for UUID/OID, etc.)"/> 
      <definition value="The Absolute URL for the resource. Except for transactions and batches, each entry
       in a Bundle must have a fullUrl. The fullUrl SHALL NOT disagree with the id in
       the resource - i.e. if the fullUrl is not a urn:uuid, the URL shall be version-independent
       URL consistent with the Resource.id. The fullUrl is a version independent reference
       to the resource. Even when not required, fullUrl MAY be set to a urn:uuid to allow
       referencing entries in a transaction. The fullUrl can be an arbitrary URI and is
       not limited to urn:uuid, urn:oid, http, and https. The fullUrl element SHALL have
       a value except when: 
* invoking a create
* invoking or responding to an operation where the body is not a single identified
       resource
* invoking or returning the results of a search or history operation."/> 

      <comment value="fullUrl might not be [unique in the context of a resource](bundle.html#bundle-unique).
       Note that since [FHIR resources do not need to be served through the FHIR API](references.html),
       the fullURL might be a URN or an absolute URL that does not end with the logical id of
       the resource (Resource.id). However, but if the fullUrl does look like a RESTful server
       URL (e.g. meets the [regex](references.html#regex), then the 'id' portion of the fullUrl
       SHALL end with the Resource.id.

       Note that since [FHIR resources do not need to be served through the FHIR API](references.htm
      l), the fullURL might be a URN or an absolute URL that does not end with the logical
       id of the resource (Resource.id). However, but if the fullUrl does look like a
       RESTful server URL (e.g. meets the [regex](references.html#regex), then the 'id'
       portion of the fullUrl SHALL end with the Resource.id.


Note that the fullUrl is not the same as the canonical URL - it's an absolute url for
       an endpoint serving the resource (these will happen to have the same value on the canonical
       server for the resource with the canonical URL).

Note that the fullUrl is not the same as the canonical URL - it's an absolute url
       for an endpoint serving the resource (these will happen to have the same value
       on the canonical server for the resource with the canonical URL)."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="uri"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.resource">
      <path value="Bundle.entry.resource"/> 
      <short value="A resource in the bundle"/> 
      

      <definition value="The Resource for the entry. The purpose/meaning of the resource is determined by
       the Bundle.type. This is allowed to be a Parameters resource if and only if it
       is referenced by something else within the Bundle that provides context/meaning."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Resource"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.search">
      <path value="Bundle.entry.search"/> 
      <short value="Search related information"/> 
      <definition value="Information about the search process that lead to the creation of this entry."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <condition value="bdl-2"/> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.search.mode">
      <path value="Bundle.entry.search.mode"/> 
      
      Why this entry is in the result set - whether it's included as a match or because of an
       _include requirement, or to convey information or warning information about the search
       process.
      There is only one mode. In some corner cases, a resource may be included because it is
       both a match and an include. In these circumstances, 'match' takes precedence.

      <short value="match | include - why this is in the result set"/> 
      <definition value="Why this entry is in the result set - whether it's included as a match or because
       of an _include requirement, or to convey information or warning information about
       the search process."/> 
      <comment value="There is only one mode. In some corner cases, a resource may be included because

       it is both a match and an include. In these circumstances, 'match' takes precedence."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SearchEntryMode"/> 
        </extension> 
        <strength value="required"/> 
        Why an entry is in the result set - whether it's included as a match or because of an
         _include requirement, or to convey information or warning information about the search
         process.
        

        <description value="Why an entry is in the result set - whether it's included as a match or because
         of an _include requirement, or to convey information or warning information about
         the search process."/> 
        <valueSet value="http://hl7.org/fhir/ValueSet/search-entry-mode|5.0.0-snapshot3"/> 
      </binding> 
    </element> 
    <element id="Bundle.entry.search.score">
      <path value="Bundle.entry.search.score"/> 
      <short value="Search ranking (between 0 and 1)"/> 
      <definition value="When searching, the server's search ranking score for the entry."/> 
      Servers are not required to return a ranking score. 1 is most relevant, and 0 is least
       relevant. Often, search results are sorted by score, but the client may specify a different
       sort order.

      <comment value="Servers are not required to return a ranking score. 1 is most relevant, and 0 is
       least relevant. Often, search results are sorted by score, but the client may specify
       a different sort order.


See [Patient Match](patient-operation-match.html) for the EMPI search which relates to
       this element.

See [Patient Match](patient-operation-match.html) for the EMPI search which relates
       to this element."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="decimal"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request">
      <path value="Bundle.entry.request"/> 
      <short value="Additional execution information (transaction/batch/history)"/> 
      <definition value="Additional information about how this entry should be processed as part of a transaction
       or batch.  For history, it shows how the entry was processed to create the version contained
       in the entry.

       or batch.  For history, it shows how the entry was processed to create the version
       contained in the entry."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <condition value="bdl-3"/> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.method">
      <path value="Bundle.entry.request.method"/> 
      <short value="GET | HEAD | POST | PUT | DELETE | PATCH"/> 
      In a transaction or batch, this is the HTTP action to be executed for this entry. In a
       history bundle, this indicates the HTTP action that occurred.

      <definition value="In a transaction or batch, this is the HTTP action to be executed for this entry.
       In a history bundle, this indicates the HTTP action that occurred."/> 

      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="HTTPVerb"/> 
        </extension> 
        <strength value="required"/> 
        <description value="HTTP verbs (in the HTTP command line). See [HTTP rfc](https://tools.ietf.org/html/rfc7231)
         for details."/> 
        

        <valueSet value="http://hl7.org/fhir/ValueSet/http-verb|5.0.0-snapshot3"/> 
      </binding> 
    </element> 
    <element id="Bundle.entry.request.url">
      <path value="Bundle.entry.request.url"/> 
      <short value="URL for HTTP equivalent of this entry"/> 
      
      E.g. for a Patient Create, the method would be &quot;POST&quot; and the URL would be &quot;Patient&q
      uot;. For a Patient Update, the method would be PUT and the URL would be &quot;Patient/[id]&quot;.

      <definition value="The URL for this entry, relative to the root (the address to which the request
       is posted)."/> 
      <comment value="E.g. for a Patient Create, the method would be &quot;POST&quot; and the URL would

       be &quot;Patient&quot;. For a Patient Update, the method would be PUT and the URL
       would be &quot;Patient/[id]&quot;."/> 

      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="uri"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.ifNoneMatch">
      <path value="Bundle.entry.request.ifNoneMatch"/> 
      

      <short value="For managing cache validation"/> 
      <definition value="If the ETag values match, return a 304 Not Modified status. See the API documentation
       for [&quot;Conditional Read&quot;](http.html#cread)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.ifModifiedSince">
      <path value="Bundle.entry.request.ifModifiedSince"/> 
      <short value="For managing cache currency"/> 
      <definition value="Only perform the operation if the last updated date matches. See the API documentation
       for [&quot;Conditional Read&quot;](http.html#cread)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="instant"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.ifMatch">
      <path value="Bundle.entry.request.ifMatch"/> 
      <short value="For managing update contention"/> 
      Only perform the operation if the Etag value matches. For more information, see the API
       section [&quot;Managing Resource Contention&quot;](http.html#concurrency).

      <definition value="Only perform the operation if the Etag value matches. For more information, see
       the API section [&quot;Managing Resource Contention&quot;](http.html#concurrency)."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.request.ifNoneExist">
      <path value="Bundle.entry.request.ifNoneExist"/> 
      <short value="For conditional creates"/> 
      <definition value="Instruct the server not to perform the create if a specified resource already exists.
       For further information, see the API documentation for [&quot;Conditional Create&quot;](http.html#cc
      reate). This is just the query portion of the URL - what follows the &quot;?&quot; (not
       including the &quot;?&quot;).

       For further information, see the API documentation for [&quot;Conditional Create&quot;](http.
      html#ccreate). This is just the query portion of the URL - what follows the &quot;?&quot;
       (not including the &quot;?&quot;)."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response">
      <path value="Bundle.entry.response"/> 
      <short value="Results of execution (transaction/batch/history)"/> 
      Indicates the results of processing the corresponding 'request' entry in the batch or
       transaction being responded to or what the results of an operation where when returning
       history.

      <definition value="Indicates the results of processing the corresponding 'request' entry in the batch
       or transaction being responded to or what the results of an operation where when
       returning history."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <condition value="bdl-4"/> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.status">
      <path value="Bundle.entry.response.status"/> 
      <short value="Status response code (text optional)"/> 
      The status code returned by processing this entry. The status SHALL start with a 3 digit
       HTTP code (e.g. 404) and may contain the standard HTTP description associated with the
       status code.

      <definition value="The status code returned by processing this entry. The status SHALL start with
       a 3 digit HTTP code (e.g. 404) and may contain the standard HTTP description associated
       with the status code."/> 

      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.location">
      <path value="Bundle.entry.response.location"/> 
      <short value="The location (if the operation returns a location)"/> 
      The location header created by processing this operation, populated if the operation returns
       a location.

      <definition value="The location header created by processing this operation, populated if the operation
       returns a location."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="uri"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.etag">
      <path value="Bundle.entry.response.etag"/> 
      <short value="The Etag for the resource (if relevant)"/> 
      The Etag for the resource, if the operation for the entry produced a versioned resource
       (see [Resource Metadata and Versioning](http.html#versioning) and [Managing Resource Contention](htt
      p.html#concurrency)).
      Etags match the Resource.meta.versionId. The ETag has to match the version id in the header
       if a resource is included.

      <definition value="The Etag for the resource, if the operation for the entry produced a versioned
       resource (see [Resource Metadata and Versioning](http.html#versioning) and [Managing
       Resource Contention](http.html#concurrency))."/> 
      <comment value="Etags match the Resource.meta.versionId. The ETag has to match the version id in

       the header if a resource is included."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.lastModified">
      <path value="Bundle.entry.response.lastModified"/> 
      <short value="Server's date time modified"/> 
      <definition value="The date/time that the resource was modified on the server."/> 
      This has to match the same time in the meta header (meta.lastUpdated) if a resource is
       included.

      <comment value="This has to match the same time in the meta header (meta.lastUpdated) if a resource
       is included."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="instant"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.entry.response.outcome">
      <path value="Bundle.entry.response.outcome"/> 
      <short value="OperationOutcome with hints and warnings (for batch/transaction)"/> 
      An OperationOutcome containing hints and warnings produced as part of processing this
       entry in a batch or transaction.
      For a POST/PUT operation, this is the equivalent outcome that would be returned for prefer
       = operationoutcome - except that the resource is always returned whether or not the outcome
       is returned.

      <definition value="An OperationOutcome containing hints and warnings produced as part of processing
       this entry in a batch or transaction."/> 
      <comment value="For a POST/PUT operation, this is the equivalent outcome that would be returned

       for prefer = operationoutcome - except that the resource is always returned whether
       or not the outcome is returned.


This outcome is not used for error responses in batch/transaction, only for hints and
       warnings. In a batch operation, the error will be in Bundle.entry.response, and for transaction,
       there will be a single OperationOutcome instead of a bundle in the case of an error.

This outcome is not used for error responses in batch/transaction, only for hints
       and warnings. In a batch operation, the error will be in Bundle.entry.response,
       and for transaction, there will be a single OperationOutcome instead of a bundle
       in the case of an error."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Resource"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.signature">
      

      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="trial-use"/> 
      

      </extension> 
      <path value="Bundle.signature"/> 
      <short value="Digital Signature"/> 
      
      The signature could be created by the &quot;author&quot; of the bundle or by the originating
       device.   Requirements around inclusion of a signature, verification of signatures and
       treatment of signed/non-signed bundles is implementation-environment specific.
      A Signature holds an electronic representation of a signature and its supporting context
       in a FHIR accessible form. The signature may either be a cryptographic type (XML DigSig
       or a JWS), which is able to provide non-repudiation proof, or it may be a graphical image
       that represents a signature or a signature process. This element allows capturing signatures
       on documents, messages, transactions or even search responses, to support content-authentication,
       non-repudiation or other business cases. This is primarily relevant where the bundle may
       travel through multiple hops or via other mechanisms where HTTPS non-repudiation is insufficient.

      <definition value="Digital Signature - base64 encoded. XML-DSig or a JWS."/> 
      <comment value="The signature could be created by the &quot;author&quot; of the bundle or by the
       originating device.   Requirements around inclusion of a signature, verification
       of signatures and treatment of signed/non-signed bundles is implementation-environment
       specific."/> 
      <requirements value="A Signature holds an electronic representation of a signature and its supporting

       context in a FHIR accessible form. The signature may either be a cryptographic
       type (XML DigSig or a JWS), which is able to provide non-repudiation proof, or
       it may be a graphical image that represents a signature or a signature process.
       This element allows capturing signatures on documents, messages, transactions or
       even search responses, to support content-authentication, non-repudiation or other
       business cases. This is primarily relevant where the bundle may travel through
       multiple hops or via other mechanisms where HTTPS non-repudiation is insufficient."/> 

      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Signature"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="Bundle.issues">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="trial-use"/> 
      </extension> 
      <path value="Bundle.issues"/> 
      <short value="Issues with the Bundle"/> 
      <definition value="Captures issues and warnings that relate to the construction of the Bundle and
       the content within it."/> 
      <comment value="Usage notes: These issues and warnings must apply to the Bundle as a whole, not

       to individual entries.Messages relating to the processing of individual entries
       (e.g. in a batch or transaction) SHALL be reported in the entry.response.outcome
       for that entry.  If there are errors that arise in the creation of the Bundle,
       then that should be handled by an OperationOutcome being returned instead of the
       Bundle."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Resource"/> 
        <profile value="http://hl7.org/fhir/StructureDefinition/OperationOutcome"/> 
      </type> 
      <mustSupport value="false"/> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
  </differential> 


</

StructureDefinition

>



Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.