Release 4B 5

This page is part of the FHIR Specification (v4.3.0: R4B (v5.0.0: R5 - STU ). The This is the current published version which supercedes in it's permanent home (it will always be available at this version is 5.0.0 . URL). For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R5 R4B R4

Fivews.xml

Example StructureDefinition/FiveWs (XML)

FHIR Infrastructure Work Group Maturity Level : N/A Standards Status : Informative

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

Logical Model FiveWs

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


  
  
    
    
  
  
    
  
  
  
  
  
  
  
  
  
  
    
      
      
    
  
  Logical Model: Who What When Where Why - Common pattern for all resources that deals with
   attribution.
  
  
    
    
    
  
  
  
  
  
    
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
        
        
      
      
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
      
        
          
        
        
          
        
        
        
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
    
    
      
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      a resource that gives context for the work described in this resource (usually Encounter
       or EpisodeOfCare).
      
      
      
        
        
        
      
      
        
        
        
      
      
        
        
        
        
        
        
      
      
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
  

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="FiveWs"/> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">to do</div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="informative"/> 
  </extension> 
  <url value="http://hl7.org/fhir/StructureDefinition/FiveWs"/> 
  <version value="5.0.0"/> 
  <name value="FiveWs"/> 
  <title value="fivews"/> 
  <status value="draft"/> 
  <experimental value="false"/> 
  <date value="2023-03-26T15:21:02+11:00"/> 
  <publisher value="Health Level Seven International fhir"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
  </contact> 
  <description value="Logical Model: Who What When Where Why - Common pattern for all resources that
   deals with attribution."/> 
  <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"/>   <mapping>     <identity value="w5"/>     <uri value="http://hl7.org/fhir/fivews"/>     <name value="FiveWs Pattern Mapping"/>   </mapping>   <kind value="logical"/>   <abstract value="false"/>   <type value="FiveWs"/>   <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Base"/>   <snapshot>     <element id="FiveWs">      <path value="FiveWs"/>       <short value="Who What When Where Why - Common pattern for all resources that deals with attribution"/>       <definition value="Who What When Where Why - Common pattern for all resources that deals with attribution."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs"/>         <min value="0"/>         <max value="*"/>       </base>       <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>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="FiveWs.identifier">      <path value="FiveWs.identifier"/>       <short value="Business Identifier"/>       <definition value="Business Identifier."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.identifier"/>         <min value="0"/>         <max value="*"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.identifier"/>       </mapping>     </element>     <element id="FiveWs.version">      <path value="FiveWs.version"/>       <short value="Identifier for this version"/>       <definition value="Identifier for this version."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="FiveWs.version"/>         <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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.version"/>       </mapping>     </element>     <element id="FiveWs.status">      <path value="FiveWs.status"/>       <short value="Status Field"/>       <definition value="Status Field."/>       <alias value="fulfills"/>       <min value="0"/>       <max value="1"/>       <base>         <path value="FiveWs.status"/>         <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>       <isModifier value="true"/>       <isModifierReason value="This is labeled as &quot;Is Modifier&quot; because applications should not use

       a retired CodeSystem without due consideration"/> 
      <isSummary value="false"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueString value="Status Field."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="CanonicalStatus"/>         </extension>         <strength value="required"/>         <description value="Status Field."/>         <valueSet value="http://hl7.org/fhir/ValueSet/resource-status|5.0.0"/>       </binding>       <mapping>         <identity value="w5"/>         <map value="FiveWs.status"/>       </mapping>     </element>     <element id="FiveWs.class">      <path value="FiveWs.class"/>       <short value="Classifier Field"/>       <definition value="Classifier Field."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.class"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="CodeableConcept"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.class"/>       </mapping>     </element>     <element id="FiveWs.grade">      <path value="FiveWs.grade"/>       <short value="A field that indicates the potential impact of the content of the resource"/>       <definition value="A field that indicates the potential impact of the content of the resource."/>       <alias value="container"/>       <min value="0"/>       <max value="1"/>       <base>         <path value="FiveWs.grade"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="CodeableConcept"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="FiveWs.what[x]">      <path value="FiveWs.what[x]"/>       <short value="What this resource is about"/>       <definition value="what this resource is about."/>       <alias value="Suspended Reason"/>       <alias value="Cancelled Reason"/>       <min value="0"/>       <max value="1"/>       <base>         <path value="FiveWs.what[x]"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.what[x]"/>       </mapping>     </element>     <element id="FiveWs.subject">      <path value="FiveWs.subject"/>       <short value="Who this resource is about"/>       <definition value="Who this resource is about."/>       <alias value="type"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.subject"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.subject[x]"/>       </mapping>     </element>     <element id="FiveWs.context">      <path value="FiveWs.context"/>       <short value="Context for the work described in this resource"/>       <definition value="a resource that gives context for the work described in this resource (usually

       Encounter or EpisodeOfCare)."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="FiveWs.context"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Encounter"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/EpisodeOfCare"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="FiveWs.init">      <path value="FiveWs.init"/>       <short value="When the work described in this resource was started (or will be)"/>       <definition value="when the work described in this resource was started (or will be)."/>       <alias value="patient"/>       <min value="0"/>       <max value="1"/>       <base>         <path value="FiveWs.init"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="dateTime"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.init"/>       </mapping>     </element>     <element id="FiveWs.planned">      <path value="FiveWs.planned"/>       <short value="When this resource is planned to occur"/>       <definition value="when this resource is planned to occur."/>       <alias value="encounter"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.planned"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Timing"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.planned"/>       </mapping>     </element>     <element id="FiveWs.done[x]">      <path value="FiveWs.done[x]"/>       <short value="When the work described in this resource was completed (or will be)"/>       <definition value="when the work described in this resource was completed (or will be)."/>       <alias value="timing"/>       <min value="0"/>       <max value="1"/>       <base>         <path value="FiveWs.done[x]"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="Period"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.done[x]"/>       </mapping>     </element>     <element id="FiveWs.recorded">      <path value="FiveWs.recorded"/>       <short value="When this resource itself was created"/>       <definition value="when this resource itself was created."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="FiveWs.recorded"/>         <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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.recorded"/>       </mapping>     </element>     <element id="FiveWs.author">      <path value="FiveWs.author"/>       <short value="Who authored the content of the resource"/>       <definition value="who authored the content of the resource."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.author"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.author"/>       </mapping>     </element>     <element id="FiveWs.source">      <path value="FiveWs.source"/>       <short value="Who provided the information in this resource"/>       <definition value="Who provided the information in this resource."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.source"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.source"/>       </mapping>     </element>     <element id="FiveWs.actor">      <path value="FiveWs.actor"/>       <short value="Who did the work described the resource (or will do)"/>       <definition value="who did the work described the resource (or will do)."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.actor"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.actor"/>       </mapping>     </element>     <element id="FiveWs.cause">      <path value="FiveWs.cause"/>       <short value="Who prompted the work described in the resource"/>       <definition value="who prompted the work described in the resource."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.cause"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.cause"/>       </mapping>     </element>     <element id="FiveWs.witness">      <path value="FiveWs.witness"/>       <short value="Who attests to the content of the resource (individual or org)"/>       <definition value="who attests to the content of the resource (individual or org)."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.witness"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.witness"/>       </mapping>     </element>     <element id="FiveWs.who">      <path value="FiveWs.who"/>       <short value="An actor involved in the work described by this resource"/>       <definition value="An actor involved in the work described by this resource."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.who"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.who"/>       </mapping>     </element>     <element id="FiveWs.where[x]">      <path value="FiveWs.where[x]"/>       <short value="The location of the work described"/>       <definition value="The location of the work described."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.where[x]"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Location"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.where[x]"/>       </mapping>     </element>     <element id="FiveWs.why[x]">      <path value="FiveWs.why[x]"/>       <short value="Why this work was done"/>       <definition value="Why this work was done."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="FiveWs.why[x]"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource"/>       </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>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.why[x]"/>       </mapping>     </element>   </snapshot> 


</

StructureDefinition

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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.