SMART Base, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.3.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-base/ and changes regularly. See the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• XML
• JSON
• TTL

Resource Profile: SMART Guidelines GraphDefinition

SMART Guidelines Transaction Definition

Usages:

• Derived from this Profile: SGTransaction

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

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

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

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
GraphDefinition	C	0..*	GraphDefinition	Definition of a graph of resources Constraints: gdf-0
GraphDefinition.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
GraphDefinition.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.Slices for extension.extension:node	S This element must be supported.	0..*	(Complex)	R5: Potential target for the link (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-GraphDefinition.node Constraints: ext-1
GraphDefinition.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
GraphDefinition.name	S This element must be supported. Σ This element is included in summaries. C	1..1	string	Name for this graph definition (computer friendly)
GraphDefinition.status	?! This element is a modifier element. S This element must be supported. Σ This element is included in summaries.	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
GraphDefinition.experimental	Σ This element is included in summaries.	1..1	boolean	For testing purposes, not real usage
GraphDefinition.description		1..1	markdown	Natural language description of the graph definition
GraphDefinition.start	Σ This element is included in summaries.	1..1	code	Type of resource at which the graph starts Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
GraphDefinition.link		1..*	BackboneElement	Links this graph makes rules about
GraphDefinition.link.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.link.Slices for extension.extension:sourceId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.Slices for extension.extension:targetId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
GraphDefinition.status	Base	required	PublicationStatus	📍4.0.1	FHIR Std.
GraphDefinition.start	Base	required	ResourceType	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	GraphDefinition	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	GraphDefinition	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	GraphDefinition	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	GraphDefinition	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	GraphDefinition	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()
gdf-0	warning	GraphDefinition	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}')

This structure is derived from GraphDefinition

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
GraphDefinition		0..*	GraphDefinition	Definition of a graph of resources
GraphDefinition.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.Slices for extension.extension:node	S This element must be supported.	0..*	(Complex)	R5: Potential target for the link (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-GraphDefinition.node
GraphDefinition.name	S This element must be supported.	1..1	string	Name for this graph definition (computer friendly)
GraphDefinition.status	S This element must be supported.	1..1	code	draft | active | retired | unknown
GraphDefinition.experimental		1..1	boolean	For testing purposes, not real usage
GraphDefinition.description		1..1	markdown	Natural language description of the graph definition
GraphDefinition.link		1..*	BackboneElement	Links this graph makes rules about
GraphDefinition.link.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.link.Slices for extension.extension:sourceId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.Slices for extension.extension:targetId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
GraphDefinition	C	0..*	GraphDefinition	Definition of a graph of resources Constraints: gdf-0
GraphDefinition.id	Σ This element is included in summaries.	0..1	id	Logical id of this artifact
GraphDefinition.meta	Σ This element is included in summaries.	0..1	Meta	Metadata about the resource
GraphDefinition.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
GraphDefinition.language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
GraphDefinition.text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
GraphDefinition.contained		0..*	Resource	Contained, inline Resources
GraphDefinition.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.Slices for extension.extension:node	S This element must be supported.	0..*	(Complex)	R5: Potential target for the link (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-GraphDefinition.node Constraints: ext-1
GraphDefinition.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
GraphDefinition.url	Σ This element is included in summaries.	0..1	uri	Canonical identifier for this graph definition, represented as a URI (globally unique)
GraphDefinition.version	Σ This element is included in summaries.	0..1	string	Business version of the graph definition
GraphDefinition.name	S This element must be supported. Σ This element is included in summaries. C	1..1	string	Name for this graph definition (computer friendly)
GraphDefinition.status	?! This element is a modifier element. S This element must be supported. Σ This element is included in summaries.	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
GraphDefinition.experimental	Σ This element is included in summaries.	1..1	boolean	For testing purposes, not real usage
GraphDefinition.date	Σ This element is included in summaries.	0..1	dateTime	Date last changed
GraphDefinition.publisher	Σ This element is included in summaries.	0..1	string	Name of the publisher (organization or individual)
GraphDefinition.contact	Σ This element is included in summaries.	0..*	ContactDetail	Contact details for the publisher
GraphDefinition.description		1..1	markdown	Natural language description of the graph definition
GraphDefinition.useContext	Σ This element is included in summaries.	0..*	UsageContext	The context that the content is intended to support
GraphDefinition.jurisdiction	Σ This element is included in summaries.	0..*	CodeableConcept	Intended jurisdiction for graph definition (if applicable) Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
GraphDefinition.purpose		0..1	markdown	Why this graph definition is defined
GraphDefinition.start	Σ This element is included in summaries.	1..1	code	Type of resource at which the graph starts Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
GraphDefinition.profile		0..1	canonical(StructureDefinition)	Profile on base resource
GraphDefinition.link		1..*	BackboneElement	Links this graph makes rules about
GraphDefinition.link.id		0..1	string	Unique id for inter-element referencing
GraphDefinition.link.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.link.Slices for extension.extension:sourceId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.Slices for extension.extension:targetId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
GraphDefinition.link.path		0..1	string	Path in the resource that contains the link
GraphDefinition.link.sliceName		0..1	string	Which slice (if profiled)
GraphDefinition.link.min		0..1	integer	Minimum occurrences for this link
GraphDefinition.link.max		0..1	string	Maximum occurrences for this link
GraphDefinition.link.description		0..1	string	Why this link is specified
GraphDefinition.link.target		0..*	BackboneElement	Potential target for the link
GraphDefinition.link.target.id		0..1	string	Unique id for inter-element referencing
GraphDefinition.link.target.extension		0..*	Extension	Additional content defined by implementations
GraphDefinition.link.target.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
GraphDefinition.link.target.type		1..1	code	Type of resource this link refers to Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
GraphDefinition.link.target.params		0..1	string	Criteria for reverse lookup
GraphDefinition.link.target.profile		0..1	canonical(StructureDefinition)	Profile for the target resource
GraphDefinition.link.target.compartment		0..*	BackboneElement	Compartment Consistency Rules
GraphDefinition.link.target.compartment.id		0..1	string	Unique id for inter-element referencing
GraphDefinition.link.target.compartment.extension		0..*	Extension	Additional content defined by implementations
GraphDefinition.link.target.compartment.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
GraphDefinition.link.target.compartment.use		1..1	code	condition | requirement Binding: GraphCompartmentUse (required): Defines how a compartment rule is used.
GraphDefinition.link.target.compartment.code		1..1	code	Patient | Encounter | RelatedPerson | Practitioner | Device Binding: CompartmentType (required): Identifies a compartment.
GraphDefinition.link.target.compartment.rule		1..1	code	identical | matching | different | custom Binding: GraphCompartmentRule (required): How a compartment must be linked.
GraphDefinition.link.target.compartment.expression		0..1	string	Custom rule, as a FHIRPath expression
GraphDefinition.link.target.compartment.description		0..1	string	Documentation for FHIRPath expression
GraphDefinition.link.target.link		0..*	See link (GraphDefinition)	Additional links from target resource
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
GraphDefinition.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
GraphDefinition.status	Base	required	PublicationStatus	📍4.0.1	FHIR Std.
GraphDefinition.jurisdiction	Base	extensible	Jurisdiction	📍4.0.1	FHIR Std.
GraphDefinition.start	Base	required	ResourceType	📍4.0.1	FHIR Std.
GraphDefinition.link.​target.type	Base	required	ResourceType	📍4.0.1	FHIR Std.
GraphDefinition.link.​target.compartment.use	Base	required	GraphCompartmentUse	📍4.0.1	FHIR Std.
GraphDefinition.link.​target.compartment.code	Base	required	CompartmentType	📍4.0.1	FHIR Std.
GraphDefinition.link.​target.compartment.rule	Base	required	GraphCompartmentRule	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	GraphDefinition	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	GraphDefinition	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	GraphDefinition	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	GraphDefinition	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	GraphDefinition	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()
gdf-0	warning	GraphDefinition	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}')

This structure is derived from GraphDefinition

Summary

Mandatory: 3 elements
Must-Support: 3 elements

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/5.0/StructureDefinition/extension-GraphDefinition.node
• http://smart.who.int/base/StructureDefinition/LinkIdExt

Key Elements View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
GraphDefinition	C	0..*	GraphDefinition	Definition of a graph of resources Constraints: gdf-0
GraphDefinition.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
GraphDefinition.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.Slices for extension.extension:node	S This element must be supported.	0..*	(Complex)	R5: Potential target for the link (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-GraphDefinition.node Constraints: ext-1
GraphDefinition.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
GraphDefinition.name	S This element must be supported. Σ This element is included in summaries. C	1..1	string	Name for this graph definition (computer friendly)
GraphDefinition.status	?! This element is a modifier element. S This element must be supported. Σ This element is included in summaries.	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
GraphDefinition.experimental	Σ This element is included in summaries.	1..1	boolean	For testing purposes, not real usage
GraphDefinition.description		1..1	markdown	Natural language description of the graph definition
GraphDefinition.start	Σ This element is included in summaries.	1..1	code	Type of resource at which the graph starts Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
GraphDefinition.link		1..*	BackboneElement	Links this graph makes rules about
GraphDefinition.link.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.link.Slices for extension.extension:sourceId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.Slices for extension.extension:targetId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
GraphDefinition.status	Base	required	PublicationStatus	📍4.0.1	FHIR Std.
GraphDefinition.start	Base	required	ResourceType	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	GraphDefinition	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	GraphDefinition	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	GraphDefinition	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	GraphDefinition	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	GraphDefinition	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()
gdf-0	warning	GraphDefinition	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}')

Differential View

This structure is derived from GraphDefinition

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
GraphDefinition		0..*	GraphDefinition	Definition of a graph of resources
GraphDefinition.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.Slices for extension.extension:node	S This element must be supported.	0..*	(Complex)	R5: Potential target for the link (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-GraphDefinition.node
GraphDefinition.name	S This element must be supported.	1..1	string	Name for this graph definition (computer friendly)
GraphDefinition.status	S This element must be supported.	1..1	code	draft | active | retired | unknown
GraphDefinition.experimental		1..1	boolean	For testing purposes, not real usage
GraphDefinition.description		1..1	markdown	Natural language description of the graph definition
GraphDefinition.link		1..*	BackboneElement	Links this graph makes rules about
GraphDefinition.link.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.link.Slices for extension.extension:sourceId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.Slices for extension.extension:targetId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
Documentation for this format

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
GraphDefinition	C	0..*	GraphDefinition	Definition of a graph of resources Constraints: gdf-0
GraphDefinition.id	Σ This element is included in summaries.	0..1	id	Logical id of this artifact
GraphDefinition.meta	Σ This element is included in summaries.	0..1	Meta	Metadata about the resource
GraphDefinition.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
GraphDefinition.language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
GraphDefinition.text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
GraphDefinition.contained		0..*	Resource	Contained, inline Resources
GraphDefinition.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.Slices for extension.extension:node	S This element must be supported.	0..*	(Complex)	R5: Potential target for the link (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-GraphDefinition.node Constraints: ext-1
GraphDefinition.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
GraphDefinition.url	Σ This element is included in summaries.	0..1	uri	Canonical identifier for this graph definition, represented as a URI (globally unique)
GraphDefinition.version	Σ This element is included in summaries.	0..1	string	Business version of the graph definition
GraphDefinition.name	S This element must be supported. Σ This element is included in summaries. C	1..1	string	Name for this graph definition (computer friendly)
GraphDefinition.status	?! This element is a modifier element. S This element must be supported. Σ This element is included in summaries.	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
GraphDefinition.experimental	Σ This element is included in summaries.	1..1	boolean	For testing purposes, not real usage
GraphDefinition.date	Σ This element is included in summaries.	0..1	dateTime	Date last changed
GraphDefinition.publisher	Σ This element is included in summaries.	0..1	string	Name of the publisher (organization or individual)
GraphDefinition.contact	Σ This element is included in summaries.	0..*	ContactDetail	Contact details for the publisher
GraphDefinition.description		1..1	markdown	Natural language description of the graph definition
GraphDefinition.useContext	Σ This element is included in summaries.	0..*	UsageContext	The context that the content is intended to support
GraphDefinition.jurisdiction	Σ This element is included in summaries.	0..*	CodeableConcept	Intended jurisdiction for graph definition (if applicable) Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
GraphDefinition.purpose		0..1	markdown	Why this graph definition is defined
GraphDefinition.start	Σ This element is included in summaries.	1..1	code	Type of resource at which the graph starts Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
GraphDefinition.profile		0..1	canonical(StructureDefinition)	Profile on base resource
GraphDefinition.link		1..*	BackboneElement	Links this graph makes rules about
GraphDefinition.link.id		0..1	string	Unique id for inter-element referencing
GraphDefinition.link.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
GraphDefinition.link.Slices for extension.extension:sourceId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.Slices for extension.extension:targetId		0..*	id	Extension URL: http://smart.who.int/base/StructureDefinition/LinkIdExt
GraphDefinition.link.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
GraphDefinition.link.path		0..1	string	Path in the resource that contains the link
GraphDefinition.link.sliceName		0..1	string	Which slice (if profiled)
GraphDefinition.link.min		0..1	integer	Minimum occurrences for this link
GraphDefinition.link.max		0..1	string	Maximum occurrences for this link
GraphDefinition.link.description		0..1	string	Why this link is specified
GraphDefinition.link.target		0..*	BackboneElement	Potential target for the link
GraphDefinition.link.target.id		0..1	string	Unique id for inter-element referencing
GraphDefinition.link.target.extension		0..*	Extension	Additional content defined by implementations
GraphDefinition.link.target.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
GraphDefinition.link.target.type		1..1	code	Type of resource this link refers to Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
GraphDefinition.link.target.params		0..1	string	Criteria for reverse lookup
GraphDefinition.link.target.profile		0..1	canonical(StructureDefinition)	Profile for the target resource
GraphDefinition.link.target.compartment		0..*	BackboneElement	Compartment Consistency Rules
GraphDefinition.link.target.compartment.id		0..1	string	Unique id for inter-element referencing
GraphDefinition.link.target.compartment.extension		0..*	Extension	Additional content defined by implementations
GraphDefinition.link.target.compartment.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
GraphDefinition.link.target.compartment.use		1..1	code	condition | requirement Binding: GraphCompartmentUse (required): Defines how a compartment rule is used.
GraphDefinition.link.target.compartment.code		1..1	code	Patient | Encounter | RelatedPerson | Practitioner | Device Binding: CompartmentType (required): Identifies a compartment.
GraphDefinition.link.target.compartment.rule		1..1	code	identical | matching | different | custom Binding: GraphCompartmentRule (required): How a compartment must be linked.
GraphDefinition.link.target.compartment.expression		0..1	string	Custom rule, as a FHIRPath expression
GraphDefinition.link.target.compartment.description		0..1	string	Documentation for FHIRPath expression
GraphDefinition.link.target.link		0..*	See link (GraphDefinition)	Additional links from target resource
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
GraphDefinition.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
GraphDefinition.status	Base	required	PublicationStatus	📍4.0.1	FHIR Std.
GraphDefinition.jurisdiction	Base	extensible	Jurisdiction	📍4.0.1	FHIR Std.
GraphDefinition.start	Base	required	ResourceType	📍4.0.1	FHIR Std.
GraphDefinition.link.​target.type	Base	required	ResourceType	📍4.0.1	FHIR Std.
GraphDefinition.link.​target.compartment.use	Base	required	GraphCompartmentUse	📍4.0.1	FHIR Std.
GraphDefinition.link.​target.compartment.code	Base	required	CompartmentType	📍4.0.1	FHIR Std.
GraphDefinition.link.​target.compartment.rule	Base	required	GraphCompartmentRule	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	GraphDefinition	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	GraphDefinition	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	GraphDefinition	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	GraphDefinition	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	GraphDefinition	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()
gdf-0	warning	GraphDefinition	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}')

This structure is derived from GraphDefinition

Summary

Mandatory: 3 elements
Must-Support: 3 elements

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/5.0/StructureDefinition/extension-GraphDefinition.node
• http://smart.who.int/base/StructureDefinition/LinkIdExt

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