This page is part of the Canonical Resource Management Infrastructure Implementation Guide (v1.0.0-snapshot: STU1 Draft) based on FHIR (HL7® FHIR® Standard) R4. . For a full list of available versions, see the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• Examples
• XML
• JSON

Resource Profile: CRMI Shareable SearchParameter

Enforces the minimum information set for the search parameter metadata required by HL7 and other organizations that share and publish search parameters

Usage:

• Examples for this Resource Profile: ShareableSearchParameterExample

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

• Differential Table
• Key Elements Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from SearchParameter

Name	Flags	Card.	Type	Description & Constraints
SearchParameter		1..1	SearchParameter	Search parameter for a resource
knowledgeCapability	S	0..*	code	shareable | computable | publishable | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeCapability Binding: KnowledgeCapability (required)
knowledgeRepresentationLevel	S	0..*	code	narrative | semi-structured | structured | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeRepresentationLevel Binding: KnowledgeRepresentationLevelValues (required)
artifactComment	S	0..*	(Complex)	Additional documentation, review, or usage guidance URL: http://hl7.org/fhir/StructureDefinition/cqf-artifactComment
versionAlgorithm	S	0..1	string, Coding	How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
versionPolicy	S	0..1	CodeableConcept	metadata | strict URL: http://hl7.org/fhir/StructureDefinition/artifact-versionPolicy Binding: Artifact Version Policy (extensible): The versioning policy of the artifact
title	S	1..1	string	Name for this {{title}} (human friendly) URL: http://hl7.org/fhir/StructureDefinition/artifact-title
url	S	1..1	uri	Canonical identifier for this search parameter, represented as a URI (globally unique)
version	S	1..1	string	Business version of the search parameter
name	S	1..1	string	Name for this search parameter (computer friendly)
status	S	1..1	code	draft | active | retired | unknown
experimental	S	1..1	boolean	For testing purposes, not real usage
publisher	S	0..1	string	Name of the publisher (organization or individual)
description	S	1..1	markdown	Natural language description of the search parameter
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints
SearchParameter	C	1..1	SearchParameter	Search parameter for a resource spd-0: Name should be usable as an identifier for the module by machine processing applications such as code generation spd-1: If an xpath is present, there SHALL be an xpathUsage spd-2: Search parameters can only have chain names when the search parameter type is 'reference'
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
knowledgeCapability	S	0..*	code	shareable | computable | publishable | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeCapability Binding: KnowledgeCapability (required)
knowledgeRepresentationLevel	S	0..*	code	narrative | semi-structured | structured | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeRepresentationLevel Binding: KnowledgeRepresentationLevelValues (required)
artifactComment	S	0..*	(Complex)	Additional documentation, review, or usage guidance URL: http://hl7.org/fhir/StructureDefinition/cqf-artifactComment
versionAlgorithm	S	0..1	string, Coding	How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
versionPolicy	S	0..1	CodeableConcept	metadata | strict URL: http://hl7.org/fhir/StructureDefinition/artifact-versionPolicy Binding: Artifact Version Policy (extensible): The versioning policy of the artifact
title	S	1..1	string	Name for this {{title}} (human friendly) URL: http://hl7.org/fhir/StructureDefinition/artifact-title
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
url	SΣ	1..1	uri	Canonical identifier for this search parameter, represented as a URI (globally unique)
version	SΣ	1..1	string	Business version of the search parameter
name	SΣC	1..1	string	Name for this search parameter (computer friendly)
status	?!SΣ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
experimental	SΣ	1..1	boolean	For testing purposes, not real usage
publisher	SΣ	0..1	string	Name of the publisher (organization or individual)
description	SΣ	1..1	markdown	Natural language description of the search parameter
code	Σ	1..1	code	Code used in URL
base	Σ	1..*	code	The resource type(s) this search parameter applies to Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
type	Σ	1..1	code	number | date | string | token | reference | composite | quantity | uri | special Binding: SearchParamType (required): Data types allowed to be used for search parameters.
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
SearchParameter.status	required	PublicationStatus http://hl7.org/fhir/ValueSet/publication-status|4.0.1 from the FHIR Standard
SearchParameter.base	required	ResourceType http://hl7.org/fhir/ValueSet/resource-types|4.0.1 from the FHIR Standard
SearchParameter.type	required	SearchParamType http://hl7.org/fhir/ValueSet/search-param-type|4.0.1 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	SearchParameter	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	SearchParameter	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	SearchParameter	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	SearchParameter	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	SearchParameter	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
spd-0	warning	SearchParameter	Name should be usable as an identifier for the module by machine processing applications such as code generation : name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
spd-1	error	SearchParameter	If an xpath is present, there SHALL be an xpathUsage : xpath.empty() or xpathUsage.exists()
spd-2	error	SearchParameter	Search parameters can only have chain names when the search parameter type is 'reference' : chain.empty() or type = 'reference'

Name	Flags	Card.	Type	Description & Constraints
SearchParameter	C	1..1	SearchParameter	Search parameter for a resource spd-0: Name should be usable as an identifier for the module by machine processing applications such as code generation spd-1: If an xpath is present, there SHALL be an xpathUsage spd-2: Search parameters can only have chain names when the search parameter type is 'reference'
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text		0..1	Narrative	Text summary of the resource, for human interpretation
contained		0..*	Resource	Contained, inline Resources
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
knowledgeCapability	S	0..*	code	shareable | computable | publishable | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeCapability Binding: KnowledgeCapability (required)
knowledgeRepresentationLevel	S	0..*	code	narrative | semi-structured | structured | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeRepresentationLevel Binding: KnowledgeRepresentationLevelValues (required)
artifactComment	S	0..*	(Complex)	Additional documentation, review, or usage guidance URL: http://hl7.org/fhir/StructureDefinition/cqf-artifactComment
versionAlgorithm	S	0..1	string, Coding	How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
versionPolicy	S	0..1	CodeableConcept	metadata | strict URL: http://hl7.org/fhir/StructureDefinition/artifact-versionPolicy Binding: Artifact Version Policy (extensible): The versioning policy of the artifact
title	S	1..1	string	Name for this {{title}} (human friendly) URL: http://hl7.org/fhir/StructureDefinition/artifact-title
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
url	SΣ	1..1	uri	Canonical identifier for this search parameter, represented as a URI (globally unique)
version	SΣ	1..1	string	Business version of the search parameter
name	SΣC	1..1	string	Name for this search parameter (computer friendly)
derivedFrom		0..1	canonical(SearchParameter)	Original definition for the search parameter
status	?!SΣ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
experimental	SΣ	1..1	boolean	For testing purposes, not real usage
date	Σ	0..1	dateTime	Date last changed
publisher	SΣ	0..1	string	Name of the publisher (organization or individual)
contact	Σ	0..*	ContactDetail	Contact details for the publisher
description	SΣ	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	0..*	CodeableConcept	Intended jurisdiction for search parameter (if applicable) Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
purpose		0..1	markdown	Why this search parameter is defined
code	Σ	1..1	code	Code used in URL
base	Σ	1..*	code	The resource type(s) this search parameter applies to Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
type	Σ	1..1	code	number | date | string | token | reference | composite | quantity | uri | special Binding: SearchParamType (required): Data types allowed to be used for search parameters.
expression	C	0..1	string	FHIRPath expression that extracts the values
xpath	C	0..1	string	XPath that extracts the values
xpathUsage	C	0..1	code	normal | phonetic | nearby | distance | other Binding: XPathUsageType (required): How a search parameter relates to the set of elements returned by evaluating its xpath query.
target		0..*	code	Types of resource (if a resource reference) Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
multipleOr		0..1	boolean	Allow multiple values per parameter (or)
multipleAnd		0..1	boolean	Allow multiple parameters (and)
comparator		0..*	code	eq | ne | gt | lt | ge | le | sa | eb | ap Binding: SearchComparator (required): What Search Comparator Codes are supported in search.
modifier		0..*	code	missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType Binding: SearchModifierCode (required): A supported modifier for a search parameter.
chain		0..*	string	Chained names supported
component		0..*	BackboneElement	For Composite resources to define the parts
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
definition		1..1	canonical(SearchParameter)	Defines how the part works
expression		1..1	string	Subexpression relative to main expression
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
SearchParameter.language	preferred	CommonLanguages Additional Bindings Purpose AllLanguages Max Binding http://hl7.org/fhir/ValueSet/languages from the FHIR Standard
SearchParameter.status	required	PublicationStatus http://hl7.org/fhir/ValueSet/publication-status|4.0.1 from the FHIR Standard
SearchParameter.jurisdiction	extensible	Jurisdiction ValueSet http://hl7.org/fhir/ValueSet/jurisdiction from the FHIR Standard
SearchParameter.base	required	ResourceType http://hl7.org/fhir/ValueSet/resource-types|4.0.1 from the FHIR Standard
SearchParameter.type	required	SearchParamType http://hl7.org/fhir/ValueSet/search-param-type|4.0.1 from the FHIR Standard
SearchParameter.xpathUsage	required	XPathUsageType http://hl7.org/fhir/ValueSet/search-xpath-usage|4.0.1 from the FHIR Standard
SearchParameter.target	required	ResourceType http://hl7.org/fhir/ValueSet/resource-types|4.0.1 from the FHIR Standard
SearchParameter.comparator	required	SearchComparator http://hl7.org/fhir/ValueSet/search-comparator|4.0.1 from the FHIR Standard
SearchParameter.modifier	required	SearchModifierCode http://hl7.org/fhir/ValueSet/search-modifier-code|4.0.1 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	SearchParameter	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	SearchParameter	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	SearchParameter	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	SearchParameter	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	SearchParameter	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
spd-0	warning	SearchParameter	Name should be usable as an identifier for the module by machine processing applications such as code generation : name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
spd-1	error	SearchParameter	If an xpath is present, there SHALL be an xpathUsage : xpath.empty() or xpathUsage.exists()
spd-2	error	SearchParameter	Search parameters can only have chain names when the search parameter type is 'reference' : chain.empty() or type = 'reference'

This structure is derived from SearchParameter

Summary

Mandatory: 5 elements
Must-Support: 13 elements

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/cqf-knowledgeCapability
• http://hl7.org/fhir/StructureDefinition/cqf-knowledgeRepresentationLevel
• http://hl7.org/fhir/StructureDefinition/cqf-artifactComment
• http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm
• http://hl7.org/fhir/StructureDefinition/artifact-versionPolicy
• http://hl7.org/fhir/StructureDefinition/artifact-title

Maturity: 3

Differential View

This structure is derived from SearchParameter

Name	Flags	Card.	Type	Description & Constraints
SearchParameter		1..1	SearchParameter	Search parameter for a resource
knowledgeCapability	S	0..*	code	shareable | computable | publishable | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeCapability Binding: KnowledgeCapability (required)
knowledgeRepresentationLevel	S	0..*	code	narrative | semi-structured | structured | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeRepresentationLevel Binding: KnowledgeRepresentationLevelValues (required)
artifactComment	S	0..*	(Complex)	Additional documentation, review, or usage guidance URL: http://hl7.org/fhir/StructureDefinition/cqf-artifactComment
versionAlgorithm	S	0..1	string, Coding	How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
versionPolicy	S	0..1	CodeableConcept	metadata | strict URL: http://hl7.org/fhir/StructureDefinition/artifact-versionPolicy Binding: Artifact Version Policy (extensible): The versioning policy of the artifact
title	S	1..1	string	Name for this {{title}} (human friendly) URL: http://hl7.org/fhir/StructureDefinition/artifact-title
url	S	1..1	uri	Canonical identifier for this search parameter, represented as a URI (globally unique)
version	S	1..1	string	Business version of the search parameter
name	S	1..1	string	Name for this search parameter (computer friendly)
status	S	1..1	code	draft | active | retired | unknown
experimental	S	1..1	boolean	For testing purposes, not real usage
publisher	S	0..1	string	Name of the publisher (organization or individual)
description	S	1..1	markdown	Natural language description of the search parameter
Documentation for this format

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
SearchParameter	C	1..1	SearchParameter	Search parameter for a resource spd-0: Name should be usable as an identifier for the module by machine processing applications such as code generation spd-1: If an xpath is present, there SHALL be an xpathUsage spd-2: Search parameters can only have chain names when the search parameter type is 'reference'
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
knowledgeCapability	S	0..*	code	shareable | computable | publishable | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeCapability Binding: KnowledgeCapability (required)
knowledgeRepresentationLevel	S	0..*	code	narrative | semi-structured | structured | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeRepresentationLevel Binding: KnowledgeRepresentationLevelValues (required)
artifactComment	S	0..*	(Complex)	Additional documentation, review, or usage guidance URL: http://hl7.org/fhir/StructureDefinition/cqf-artifactComment
versionAlgorithm	S	0..1	string, Coding	How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
versionPolicy	S	0..1	CodeableConcept	metadata | strict URL: http://hl7.org/fhir/StructureDefinition/artifact-versionPolicy Binding: Artifact Version Policy (extensible): The versioning policy of the artifact
title	S	1..1	string	Name for this {{title}} (human friendly) URL: http://hl7.org/fhir/StructureDefinition/artifact-title
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
url	SΣ	1..1	uri	Canonical identifier for this search parameter, represented as a URI (globally unique)
version	SΣ	1..1	string	Business version of the search parameter
name	SΣC	1..1	string	Name for this search parameter (computer friendly)
status	?!SΣ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
experimental	SΣ	1..1	boolean	For testing purposes, not real usage
publisher	SΣ	0..1	string	Name of the publisher (organization or individual)
description	SΣ	1..1	markdown	Natural language description of the search parameter
code	Σ	1..1	code	Code used in URL
base	Σ	1..*	code	The resource type(s) this search parameter applies to Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
type	Σ	1..1	code	number | date | string | token | reference | composite | quantity | uri | special Binding: SearchParamType (required): Data types allowed to be used for search parameters.
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
SearchParameter.status	required	PublicationStatus http://hl7.org/fhir/ValueSet/publication-status|4.0.1 from the FHIR Standard
SearchParameter.base	required	ResourceType http://hl7.org/fhir/ValueSet/resource-types|4.0.1 from the FHIR Standard
SearchParameter.type	required	SearchParamType http://hl7.org/fhir/ValueSet/search-param-type|4.0.1 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	SearchParameter	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	SearchParameter	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	SearchParameter	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	SearchParameter	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	SearchParameter	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
spd-0	warning	SearchParameter	Name should be usable as an identifier for the module by machine processing applications such as code generation : name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
spd-1	error	SearchParameter	If an xpath is present, there SHALL be an xpathUsage : xpath.empty() or xpathUsage.exists()
spd-2	error	SearchParameter	Search parameters can only have chain names when the search parameter type is 'reference' : chain.empty() or type = 'reference'

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
SearchParameter	C	1..1	SearchParameter	Search parameter for a resource spd-0: Name should be usable as an identifier for the module by machine processing applications such as code generation spd-1: If an xpath is present, there SHALL be an xpathUsage spd-2: Search parameters can only have chain names when the search parameter type is 'reference'
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text		0..1	Narrative	Text summary of the resource, for human interpretation
contained		0..*	Resource	Contained, inline Resources
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
knowledgeCapability	S	0..*	code	shareable | computable | publishable | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeCapability Binding: KnowledgeCapability (required)
knowledgeRepresentationLevel	S	0..*	code	narrative | semi-structured | structured | executable URL: http://hl7.org/fhir/StructureDefinition/cqf-knowledgeRepresentationLevel Binding: KnowledgeRepresentationLevelValues (required)
artifactComment	S	0..*	(Complex)	Additional documentation, review, or usage guidance URL: http://hl7.org/fhir/StructureDefinition/cqf-artifactComment
versionAlgorithm	S	0..1	string, Coding	How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
versionPolicy	S	0..1	CodeableConcept	metadata | strict URL: http://hl7.org/fhir/StructureDefinition/artifact-versionPolicy Binding: Artifact Version Policy (extensible): The versioning policy of the artifact
title	S	1..1	string	Name for this {{title}} (human friendly) URL: http://hl7.org/fhir/StructureDefinition/artifact-title
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
url	SΣ	1..1	uri	Canonical identifier for this search parameter, represented as a URI (globally unique)
version	SΣ	1..1	string	Business version of the search parameter
name	SΣC	1..1	string	Name for this search parameter (computer friendly)
derivedFrom		0..1	canonical(SearchParameter)	Original definition for the search parameter
status	?!SΣ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
experimental	SΣ	1..1	boolean	For testing purposes, not real usage
date	Σ	0..1	dateTime	Date last changed
publisher	SΣ	0..1	string	Name of the publisher (organization or individual)
contact	Σ	0..*	ContactDetail	Contact details for the publisher
description	SΣ	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	0..*	CodeableConcept	Intended jurisdiction for search parameter (if applicable) Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
purpose		0..1	markdown	Why this search parameter is defined
code	Σ	1..1	code	Code used in URL
base	Σ	1..*	code	The resource type(s) this search parameter applies to Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
type	Σ	1..1	code	number | date | string | token | reference | composite | quantity | uri | special Binding: SearchParamType (required): Data types allowed to be used for search parameters.
expression	C	0..1	string	FHIRPath expression that extracts the values
xpath	C	0..1	string	XPath that extracts the values
xpathUsage	C	0..1	code	normal | phonetic | nearby | distance | other Binding: XPathUsageType (required): How a search parameter relates to the set of elements returned by evaluating its xpath query.
target		0..*	code	Types of resource (if a resource reference) Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
multipleOr		0..1	boolean	Allow multiple values per parameter (or)
multipleAnd		0..1	boolean	Allow multiple parameters (and)
comparator		0..*	code	eq | ne | gt | lt | ge | le | sa | eb | ap Binding: SearchComparator (required): What Search Comparator Codes are supported in search.
modifier		0..*	code	missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType Binding: SearchModifierCode (required): A supported modifier for a search parameter.
chain		0..*	string	Chained names supported
component		0..*	BackboneElement	For Composite resources to define the parts
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
definition		1..1	canonical(SearchParameter)	Defines how the part works
expression		1..1	string	Subexpression relative to main expression
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
SearchParameter.language	preferred	CommonLanguages Additional Bindings Purpose AllLanguages Max Binding http://hl7.org/fhir/ValueSet/languages from the FHIR Standard
SearchParameter.status	required	PublicationStatus http://hl7.org/fhir/ValueSet/publication-status|4.0.1 from the FHIR Standard
SearchParameter.jurisdiction	extensible	Jurisdiction ValueSet http://hl7.org/fhir/ValueSet/jurisdiction from the FHIR Standard
SearchParameter.base	required	ResourceType http://hl7.org/fhir/ValueSet/resource-types|4.0.1 from the FHIR Standard
SearchParameter.type	required	SearchParamType http://hl7.org/fhir/ValueSet/search-param-type|4.0.1 from the FHIR Standard
SearchParameter.xpathUsage	required	XPathUsageType http://hl7.org/fhir/ValueSet/search-xpath-usage|4.0.1 from the FHIR Standard
SearchParameter.target	required	ResourceType http://hl7.org/fhir/ValueSet/resource-types|4.0.1 from the FHIR Standard
SearchParameter.comparator	required	SearchComparator http://hl7.org/fhir/ValueSet/search-comparator|4.0.1 from the FHIR Standard
SearchParameter.modifier	required	SearchModifierCode http://hl7.org/fhir/ValueSet/search-modifier-code|4.0.1 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	SearchParameter	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	SearchParameter	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	SearchParameter	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	SearchParameter	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	SearchParameter	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
spd-0	warning	SearchParameter	Name should be usable as an identifier for the module by machine processing applications such as code generation : name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
spd-1	error	SearchParameter	If an xpath is present, there SHALL be an xpathUsage : xpath.empty() or xpathUsage.exists()
spd-2	error	SearchParameter	Search parameters can only have chain names when the search parameter type is 'reference' : chain.empty() or type = 'reference'

This structure is derived from SearchParameter

Summary

Mandatory: 5 elements
Must-Support: 13 elements

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/cqf-knowledgeCapability
• http://hl7.org/fhir/StructureDefinition/cqf-knowledgeRepresentationLevel
• http://hl7.org/fhir/StructureDefinition/cqf-artifactComment
• http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm
• http://hl7.org/fhir/StructureDefinition/artifact-versionPolicy
• http://hl7.org/fhir/StructureDefinition/artifact-title

Maturity: 3

Other representations of profile: CSV, Excel, Schematron