5.6 Resource SearchParameter - Content

Name	Flags	Card.	Type	Description & Constraints
SearchParameter	TU		DomainResource	Search parameter for a resource + Warning: Name should be usable as an identifier for the module by machine processing applications such as code generation + Rule: If an expression is present, there SHALL be a processingMode + Rule: Search parameters can only have chain names when the search parameter type is 'reference' + Rule: Search parameters comparator can only be used on type 'number', 'date', 'quantity' or 'special'. Elements defined in Ancestors: id , meta , implicitRules , language , text , contained , extension , modifierExtension Interfaces Implemented: CanonicalResource
url	Σ C	1..1	uri	Canonical identifier for this search parameter, represented as a URI (globally unique) + Warning: URL should not contain | or # - these characters make processing canonical references problematic
identifier	Σ	0..*	Identifier	Additional identifier for the search parameter (business identifier)
version	Σ	0..1	string	Business version of the search parameter
versionAlgorithm[x]	Σ	0..1		How to compare versions Binding: Version Algorithm ( Extensible )
versionAlgorithmString			string
versionAlgorithmCoding			Coding
name	Σ C	1..1	string	Name for this search parameter (computer friendly)
title	Σ T	0..1	string	Name for this search parameter (human friendly)
derivedFrom		0..1	canonical ( SearchParameter )	Original definition for the search parameter
status	?! Σ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus ( Required )
experimental	Σ	0..1	boolean	For testing purposes, not real usage
date	Σ	0..1	dateTime	Date last changed
publisher	Σ T	0..1	string	Name of the publisher/steward (organization or individual)
contact	Σ	0..*	ContactDetail	Contact details for the publisher
description	Σ T	1..1	markdown	Natural language description of the search parameter
useContext	Σ	0..*	UsageContext	The context that the content is intended to support
jurisdiction	Σ XD	0..*	CodeableConcept	Intended jurisdiction for search parameter (if applicable) Binding: Jurisdiction ValueSet ( Extensible )
purpose	T	0..1	markdown	Why this search parameter is defined
copyright	T	0..1	markdown	Use and/or publishing restrictions
copyrightLabel	T	0..1	string	Copyright holder and year(s)
code	Σ	1..1	code	Recommended name for parameter in search url
base	Σ	1..*	code	The resource type(s) this search parameter applies to Binding: Version Independent Resource Types (All) ( Required ) Additional Bindings Purpose All Resource Types UI Binding
type	Σ C	1..1	code	number | date | string | token | reference | composite | quantity | uri | special Binding: SearchParamType ( Required )
expression	C	0..1	string	FHIRPath expression that extracts the values
processingMode	C	0..1	code	normal | phonetic | other Binding: Search Processing Mode Type ( Required )
constraint		0..1	string	FHIRPath expression that constraints the usage of this SearchParamete
target		0..*	code	Types of resource (if a resource reference) Binding: Version Independent Resource Types (All) ( Required ) Additional Bindings Purpose All Resource Types UI Binding
multipleOr		0..1	boolean	Allow multiple values per parameter (or)
multipleAnd		0..1	boolean	Allow multiple parameters (and)
comparator	C	0..*	code	eq | ne | gt | lt | ge | le | sa | eb | ap Binding: Search Comparator ( Required )
modifier		0..*	code	missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate Binding: Search Modifier Code ( Required )
chain	C	0..*	string	Chained names supported
component		0..*	BackboneElement	For Composite resources to define the parts
definition		1..1	canonical ( SearchParameter )	Defines how the part works
expression		1..1	string	Subexpression relative to main expression
Documentation for this format

See the Extensions for this resource

<SearchParameter xmlns="http://hl7.org/fhir"> 
 <!-- from Resource: id, meta, implicitRules, and language -->
 <!-- from DomainResource: text, contained, extension, and modifierExtension -->
 <url value="[uri]"/><!-- 1..1 Canonical identifier for this search parameter, represented as a URI (globally unique) -->
 <identifier><!-- 0..* Identifier Additional identifier for the search parameter (business identifier) --></identifier>
 <version value="[string]"/><!-- 0..1 Business version of the search parameter -->
 <versionAlgorithm[x]><!-- 0..1 string|Coding How to compare versions --></versionAlgorithm[x]>
 <name value="[string]"/><!-- I 1..1 Name for this search parameter (computer friendly) -->
 <title value="[string]"/><!-- 0..1 Name for this search parameter (human friendly) -->
 <derivedFrom><!-- 0..1 canonical(SearchParameter) Original definition for the search parameter --></derivedFrom>
 <status value="[code]"/><!-- 1..1 draft | active | retired | unknown -->
 <experimental value="[boolean]"/><!-- 0..1 For testing purposes, not real usage -->
 <date value="[dateTime]"/><!-- 0..1 Date last changed -->
 <publisher value="[string]"/><!-- 0..1 Name of the publisher/steward (organization or individual) -->
 <contact><!-- 0..* ContactDetail Contact details for the publisher --></contact>
 <description value="[markdown]"/><!-- 1..1 Natural language description of the search parameter -->
 <useContext><!-- 0..* UsageContext The context that the content is intended to support --></useContext>
 <jurisdiction><!-- 0..* CodeableConcept Intended jurisdiction for search parameter (if applicable) --></jurisdiction>
 <purpose value="[markdown]"/><!-- 0..1 Why this search parameter is defined -->
 <copyright value="[markdown]"/><!-- 0..1 Use and/or publishing restrictions -->
 <copyrightLabel value="[string]"/><!-- 0..1 Copyright holder and year(s) -->
 <code value="[code]"/><!-- 1..1 Recommended name for parameter in search url -->
 <base value="[code]"/><!-- 1..* The resource type(s) this search parameter applies to -->
 <type value="[code]"/><!-- I 1..1 number | date | string | token | reference | composite | quantity | uri | special -->
 <expression value="[string]"/><!-- I 0..1 FHIRPath expression that extracts the values -->
 <processingMode value="[code]"/><!-- I 0..1 normal | phonetic | other -->
 <constraint value="[string]"/><!-- 0..1 FHIRPath expression that constraints the usage of this SearchParamete -->
 <target value="[code]"/><!-- 0..* Types of resource (if a resource reference) -->
 <multipleOr value="[boolean]"/><!-- 0..1 Allow multiple values per parameter (or) -->
 <multipleAnd value="[boolean]"/><!-- 0..1 Allow multiple parameters (and) -->
 <comparator value="[code]"/><!-- I 0..* eq | ne | gt | lt | ge | le | sa | eb | ap -->
 <modifier value="[code]"/><!-- 0..* missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate -->
 <chain value="[string]"/><!-- I 0..* Chained names supported -->
 <component>  <!-- 0..* For Composite resources to define the parts -->
  <definition><!-- 1..1 canonical(SearchParameter) Defines how the part works --></definition>
  <expression value="[string]"/><!-- 1..1 Subexpression relative to main expression -->
 </component>
</SearchParameter>

{
  "resourceType" : "SearchParameter",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "url" : "<uri>", // R!  Canonical identifier for this search parameter, represented as a URI (globally unique)
  "identifier" : [{ Identifier }], // Additional identifier for the search parameter (business identifier)
  "version" : "<string>", // Business version of the search parameter
  // versionAlgorithm[x]: How to compare versions. One of these 2:
  "versionAlgorithmString" : "<string>",
  "versionAlgorithmCoding" : { Coding },
  "name" : "<string>", // I R!  Name for this search parameter (computer friendly)
  "title" : "<string>", // Name for this search parameter (human friendly)
  "derivedFrom" : "<canonical(SearchParameter)>", // Original definition for the search parameter
  "status" : "<code>", // R!  draft | active | retired | unknown
  "experimental" : <boolean>, // For testing purposes, not real usage
  "date" : "<dateTime>", // Date last changed
  "publisher" : "<string>", // Name of the publisher/steward (organization or individual)
  "contact" : [{ ContactDetail }], // Contact details for the publisher
  "description" : "<markdown>", // R!  Natural language description of the search parameter
  "useContext" : [{ UsageContext }], // The context that the content is intended to support
  "jurisdiction" : [{ CodeableConcept }], // Intended jurisdiction for search parameter (if applicable)
  "purpose" : "<markdown>", // Why this search parameter is defined
  "copyright" : "<markdown>", // Use and/or publishing restrictions
  "copyrightLabel" : "<string>", // Copyright holder and year(s)
  "code" : "<code>", // R!  Recommended name for parameter in search url
  "base" : ["<code>"], // R!  The resource type(s) this search parameter applies to
  "type" : "<code>", // I R!  number | date | string | token | reference | composite | quantity | uri | special
  "expression" : "<string>", // I FHIRPath expression that extracts the values
  "processingMode" : "<code>", // I normal | phonetic | other
  "constraint" : "<string>", // FHIRPath expression that constraints the usage of this SearchParamete
  "target" : ["<code>"], // Types of resource (if a resource reference)
  "multipleOr" : <boolean>, // Allow multiple values per parameter (or)
  "multipleAnd" : <boolean>, // Allow multiple parameters (and)
  "comparator" : ["<code>"], // I eq | ne | gt | lt | ge | le | sa | eb | ap
  "modifier" : ["<code>"], // missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate
  "chain" : ["<string>"], // I Chained names supported
  "component" : [{ // For Composite resources to define the parts
    "definition" : "<canonical(SearchParameter)>", // R!  Defines how the part works
    "expression" : "<string>" // R!  Subexpression relative to main expression
  }]
}

@prefix fhir: <http://hl7.org/fhir/> .


[ a fhir:SearchParameter;
  fhir:nodeRole fhir:treeRoot; # if this is the parser root

  # from Resource: .id, .meta, .implicitRules, and .language
  # from DomainResource: .text, .contained, .extension, and .modifierExtension
  fhir:url [ uri ] ; # 1..1 Canonical identifier for this search parameter, represented as a URI (globally unique)
  fhir:identifier  ( [ Identifier ] ... ) ; # 0..* Additional identifier for the search parameter (business identifier)
  fhir:version [ string ] ; # 0..1 Business version of the search parameter
  # versionAlgorithm[x] : 0..1 How to compare versions. One of these 2
    fhir:versionAlgorithm [  a fhir:string ; string ]
    fhir:versionAlgorithm [  a fhir:Coding ; Coding ]
  fhir:name [ string ] ; # 1..1 I Name for this search parameter (computer friendly)
  fhir:title [ string ] ; # 0..1 Name for this search parameter (human friendly)
  fhir:derivedFrom [ canonical(SearchParameter) ] ; # 0..1 Original definition for the search parameter
  fhir:status [ code ] ; # 1..1 draft | active | retired | unknown
  fhir:experimental [ boolean ] ; # 0..1 For testing purposes, not real usage
  fhir:date [ dateTime ] ; # 0..1 Date last changed
  fhir:publisher [ string ] ; # 0..1 Name of the publisher/steward (organization or individual)
  fhir:contact  ( [ ContactDetail ] ... ) ; # 0..* Contact details for the publisher
  fhir:description [ markdown ] ; # 1..1 Natural language description of the search parameter
  fhir:useContext  ( [ UsageContext ] ... ) ; # 0..* The context that the content is intended to support
  fhir:jurisdiction  ( [ CodeableConcept ] ... ) ; # 0..* Intended jurisdiction for search parameter (if applicable)
  fhir:purpose [ markdown ] ; # 0..1 Why this search parameter is defined
  fhir:copyright [ markdown ] ; # 0..1 Use and/or publishing restrictions
  fhir:copyrightLabel [ string ] ; # 0..1 Copyright holder and year(s)
  fhir:code [ code ] ; # 1..1 Recommended name for parameter in search url
  fhir:base  ( [ code ] ... ) ; # 1..* The resource type(s) this search parameter applies to
  fhir:type [ code ] ; # 1..1 I number | date | string | token | reference | composite | quantity | uri | special
  fhir:expression [ string ] ; # 0..1 I FHIRPath expression that extracts the values
  fhir:processingMode [ code ] ; # 0..1 I normal | phonetic | other
  fhir:constraint [ string ] ; # 0..1 FHIRPath expression that constraints the usage of this SearchParamete
  fhir:target  ( [ code ] ... ) ; # 0..* Types of resource (if a resource reference)
  fhir:multipleOr [ boolean ] ; # 0..1 Allow multiple values per parameter (or)
  fhir:multipleAnd [ boolean ] ; # 0..1 Allow multiple parameters (and)
  fhir:comparator  ( [ code ] ... ) ; # 0..* I eq | ne | gt | lt | ge | le | sa | eb | ap
  fhir:modifier  ( [ code ] ... ) ; # 0..* missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate
  fhir:chain  ( [ string ] ... ) ; # 0..* I Chained names supported
  fhir:component ( [ # 0..* For Composite resources to define the parts
    fhir:definition [ canonical(SearchParameter) ] ; # 1..1 Defines how the part works
    fhir:expression [ string ] ; # 1..1 Subexpression relative to main expression
  ] ... ) ;
]

Changes from both R4 and R4B

See the Full Difference for further information

This analysis is available for R4 as XML or JSON and for R4B as XML or JSON .

Name	Flags	Card.	Type	Description & Constraints
SearchParameter	TU		DomainResource	Search parameter for a resource + Warning: Name should be usable as an identifier for the module by machine processing applications such as code generation + Rule: If an expression is present, there SHALL be a processingMode + Rule: Search parameters can only have chain names when the search parameter type is 'reference' + Rule: Search parameters comparator can only be used on type 'number', 'date', 'quantity' or 'special'. Elements defined in Ancestors: id , meta , implicitRules , language , text , contained , extension , modifierExtension Interfaces Implemented: CanonicalResource
url	Σ C	1..1	uri	Canonical identifier for this search parameter, represented as a URI (globally unique) + Warning: URL should not contain | or # - these characters make processing canonical references problematic
identifier	Σ	0..*	Identifier	Additional identifier for the search parameter (business identifier)
version	Σ	0..1	string	Business version of the search parameter
versionAlgorithm[x]	Σ	0..1		How to compare versions Binding: Version Algorithm ( Extensible )
versionAlgorithmString			string
versionAlgorithmCoding			Coding
name	Σ C	1..1	string	Name for this search parameter (computer friendly)
title	Σ T	0..1	string	Name for this search parameter (human friendly)
derivedFrom		0..1	canonical ( SearchParameter )	Original definition for the search parameter
status	?! Σ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus ( Required )
experimental	Σ	0..1	boolean	For testing purposes, not real usage
date	Σ	0..1	dateTime	Date last changed
publisher	Σ T	0..1	string	Name of the publisher/steward (organization or individual)
contact	Σ	0..*	ContactDetail	Contact details for the publisher
description	Σ T	1..1	markdown	Natural language description of the search parameter
useContext	Σ	0..*	UsageContext	The context that the content is intended to support
jurisdiction	Σ XD	0..*	CodeableConcept	Intended jurisdiction for search parameter (if applicable) Binding: Jurisdiction ValueSet ( Extensible )
purpose	T	0..1	markdown	Why this search parameter is defined
copyright	T	0..1	markdown	Use and/or publishing restrictions
copyrightLabel	T	0..1	string	Copyright holder and year(s)
code	Σ	1..1	code	Recommended name for parameter in search url
base	Σ	1..*	code	The resource type(s) this search parameter applies to Binding: Version Independent Resource Types (All) ( Required ) Additional Bindings Purpose All Resource Types UI Binding
type	Σ C	1..1	code	number | date | string | token | reference | composite | quantity | uri | special Binding: SearchParamType ( Required )
expression	C	0..1	string	FHIRPath expression that extracts the values
processingMode	C	0..1	code	normal | phonetic | other Binding: Search Processing Mode Type ( Required )
constraint		0..1	string	FHIRPath expression that constraints the usage of this SearchParamete
target		0..*	code	Types of resource (if a resource reference) Binding: Version Independent Resource Types (All) ( Required ) Additional Bindings Purpose All Resource Types UI Binding
multipleOr		0..1	boolean	Allow multiple values per parameter (or)
multipleAnd		0..1	boolean	Allow multiple parameters (and)
comparator	C	0..*	code	eq | ne | gt | lt | ge | le | sa | eb | ap Binding: Search Comparator ( Required )
modifier		0..*	code	missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate Binding: Search Modifier Code ( Required )
chain	C	0..*	string	Chained names supported
component		0..*	BackboneElement	For Composite resources to define the parts
definition		1..1	canonical ( SearchParameter )	Defines how the part works
expression		1..1	string	Subexpression relative to main expression
Documentation for this format

See the Extensions for this resource

<SearchParameter xmlns="http://hl7.org/fhir"> 
 <!-- from Resource: id, meta, implicitRules, and language -->
 <!-- from DomainResource: text, contained, extension, and modifierExtension -->
 <url value="[uri]"/><!-- 1..1 Canonical identifier for this search parameter, represented as a URI (globally unique) -->
 <identifier><!-- 0..* Identifier Additional identifier for the search parameter (business identifier) --></identifier>
 <version value="[string]"/><!-- 0..1 Business version of the search parameter -->
 <versionAlgorithm[x]><!-- 0..1 string|Coding How to compare versions --></versionAlgorithm[x]>
 <name value="[string]"/><!-- I 1..1 Name for this search parameter (computer friendly) -->
 <title value="[string]"/><!-- 0..1 Name for this search parameter (human friendly) -->
 <derivedFrom><!-- 0..1 canonical(SearchParameter) Original definition for the search parameter --></derivedFrom>
 <status value="[code]"/><!-- 1..1 draft | active | retired | unknown -->
 <experimental value="[boolean]"/><!-- 0..1 For testing purposes, not real usage -->
 <date value="[dateTime]"/><!-- 0..1 Date last changed -->
 <publisher value="[string]"/><!-- 0..1 Name of the publisher/steward (organization or individual) -->
 <contact><!-- 0..* ContactDetail Contact details for the publisher --></contact>
 <description value="[markdown]"/><!-- 1..1 Natural language description of the search parameter -->
 <useContext><!-- 0..* UsageContext The context that the content is intended to support --></useContext>
 <jurisdiction><!-- 0..* CodeableConcept Intended jurisdiction for search parameter (if applicable) --></jurisdiction>
 <purpose value="[markdown]"/><!-- 0..1 Why this search parameter is defined -->
 <copyright value="[markdown]"/><!-- 0..1 Use and/or publishing restrictions -->
 <copyrightLabel value="[string]"/><!-- 0..1 Copyright holder and year(s) -->
 <code value="[code]"/><!-- 1..1 Recommended name for parameter in search url -->
 <base value="[code]"/><!-- 1..* The resource type(s) this search parameter applies to -->
 <type value="[code]"/><!-- I 1..1 number | date | string | token | reference | composite | quantity | uri | special -->
 <expression value="[string]"/><!-- I 0..1 FHIRPath expression that extracts the values -->
 <processingMode value="[code]"/><!-- I 0..1 normal | phonetic | other -->
 <constraint value="[string]"/><!-- 0..1 FHIRPath expression that constraints the usage of this SearchParamete -->
 <target value="[code]"/><!-- 0..* Types of resource (if a resource reference) -->
 <multipleOr value="[boolean]"/><!-- 0..1 Allow multiple values per parameter (or) -->
 <multipleAnd value="[boolean]"/><!-- 0..1 Allow multiple parameters (and) -->
 <comparator value="[code]"/><!-- I 0..* eq | ne | gt | lt | ge | le | sa | eb | ap -->
 <modifier value="[code]"/><!-- 0..* missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate -->
 <chain value="[string]"/><!-- I 0..* Chained names supported -->
 <component>  <!-- 0..* For Composite resources to define the parts -->
  <definition><!-- 1..1 canonical(SearchParameter) Defines how the part works --></definition>
  <expression value="[string]"/><!-- 1..1 Subexpression relative to main expression -->
 </component>
</SearchParameter>

{
  "resourceType" : "SearchParameter",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "url" : "<uri>", // R!  Canonical identifier for this search parameter, represented as a URI (globally unique)
  "identifier" : [{ Identifier }], // Additional identifier for the search parameter (business identifier)
  "version" : "<string>", // Business version of the search parameter
  // versionAlgorithm[x]: How to compare versions. One of these 2:
  "versionAlgorithmString" : "<string>",
  "versionAlgorithmCoding" : { Coding },
  "name" : "<string>", // I R!  Name for this search parameter (computer friendly)
  "title" : "<string>", // Name for this search parameter (human friendly)
  "derivedFrom" : "<canonical(SearchParameter)>", // Original definition for the search parameter
  "status" : "<code>", // R!  draft | active | retired | unknown
  "experimental" : <boolean>, // For testing purposes, not real usage
  "date" : "<dateTime>", // Date last changed
  "publisher" : "<string>", // Name of the publisher/steward (organization or individual)
  "contact" : [{ ContactDetail }], // Contact details for the publisher
  "description" : "<markdown>", // R!  Natural language description of the search parameter
  "useContext" : [{ UsageContext }], // The context that the content is intended to support
  "jurisdiction" : [{ CodeableConcept }], // Intended jurisdiction for search parameter (if applicable)
  "purpose" : "<markdown>", // Why this search parameter is defined
  "copyright" : "<markdown>", // Use and/or publishing restrictions
  "copyrightLabel" : "<string>", // Copyright holder and year(s)
  "code" : "<code>", // R!  Recommended name for parameter in search url
  "base" : ["<code>"], // R!  The resource type(s) this search parameter applies to
  "type" : "<code>", // I R!  number | date | string | token | reference | composite | quantity | uri | special
  "expression" : "<string>", // I FHIRPath expression that extracts the values
  "processingMode" : "<code>", // I normal | phonetic | other
  "constraint" : "<string>", // FHIRPath expression that constraints the usage of this SearchParamete
  "target" : ["<code>"], // Types of resource (if a resource reference)
  "multipleOr" : <boolean>, // Allow multiple values per parameter (or)
  "multipleAnd" : <boolean>, // Allow multiple parameters (and)
  "comparator" : ["<code>"], // I eq | ne | gt | lt | ge | le | sa | eb | ap
  "modifier" : ["<code>"], // missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate
  "chain" : ["<string>"], // I Chained names supported
  "component" : [{ // For Composite resources to define the parts
    "definition" : "<canonical(SearchParameter)>", // R!  Defines how the part works
    "expression" : "<string>" // R!  Subexpression relative to main expression
  }]
}

@prefix fhir: <http://hl7.org/fhir/> .


[ a fhir:SearchParameter;
  fhir:nodeRole fhir:treeRoot; # if this is the parser root

  # from Resource: .id, .meta, .implicitRules, and .language
  # from DomainResource: .text, .contained, .extension, and .modifierExtension
  fhir:url [ uri ] ; # 1..1 Canonical identifier for this search parameter, represented as a URI (globally unique)
  fhir:identifier  ( [ Identifier ] ... ) ; # 0..* Additional identifier for the search parameter (business identifier)
  fhir:version [ string ] ; # 0..1 Business version of the search parameter
  # versionAlgorithm[x] : 0..1 How to compare versions. One of these 2
    fhir:versionAlgorithm [  a fhir:string ; string ]
    fhir:versionAlgorithm [  a fhir:Coding ; Coding ]
  fhir:name [ string ] ; # 1..1 I Name for this search parameter (computer friendly)
  fhir:title [ string ] ; # 0..1 Name for this search parameter (human friendly)
  fhir:derivedFrom [ canonical(SearchParameter) ] ; # 0..1 Original definition for the search parameter
  fhir:status [ code ] ; # 1..1 draft | active | retired | unknown
  fhir:experimental [ boolean ] ; # 0..1 For testing purposes, not real usage
  fhir:date [ dateTime ] ; # 0..1 Date last changed
  fhir:publisher [ string ] ; # 0..1 Name of the publisher/steward (organization or individual)
  fhir:contact  ( [ ContactDetail ] ... ) ; # 0..* Contact details for the publisher
  fhir:description [ markdown ] ; # 1..1 Natural language description of the search parameter
  fhir:useContext  ( [ UsageContext ] ... ) ; # 0..* The context that the content is intended to support
  fhir:jurisdiction  ( [ CodeableConcept ] ... ) ; # 0..* Intended jurisdiction for search parameter (if applicable)
  fhir:purpose [ markdown ] ; # 0..1 Why this search parameter is defined
  fhir:copyright [ markdown ] ; # 0..1 Use and/or publishing restrictions
  fhir:copyrightLabel [ string ] ; # 0..1 Copyright holder and year(s)
  fhir:code [ code ] ; # 1..1 Recommended name for parameter in search url
  fhir:base  ( [ code ] ... ) ; # 1..* The resource type(s) this search parameter applies to
  fhir:type [ code ] ; # 1..1 I number | date | string | token | reference | composite | quantity | uri | special
  fhir:expression [ string ] ; # 0..1 I FHIRPath expression that extracts the values
  fhir:processingMode [ code ] ; # 0..1 I normal | phonetic | other
  fhir:constraint [ string ] ; # 0..1 FHIRPath expression that constraints the usage of this SearchParamete
  fhir:target  ( [ code ] ... ) ; # 0..* Types of resource (if a resource reference)
  fhir:multipleOr [ boolean ] ; # 0..1 Allow multiple values per parameter (or)
  fhir:multipleAnd [ boolean ] ; # 0..1 Allow multiple parameters (and)
  fhir:comparator  ( [ code ] ... ) ; # 0..* I eq | ne | gt | lt | ge | le | sa | eb | ap
  fhir:modifier  ( [ code ] ... ) ; # 0..* missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate
  fhir:chain  ( [ string ] ... ) ; # 0..* I Chained names supported
  fhir:component ( [ # 0..* For Composite resources to define the parts
    fhir:definition [ canonical(SearchParameter) ] ; # 1..1 Defines how the part works
    fhir:expression [ string ] ; # 1..1 Subexpression relative to main expression
  ] ... ) ;
]

Changes from both R4 and R4B

See the Full Difference for further information

This analysis is available for R4 as XML or JSON and for R4B as XML or JSON .