This page is part of the FHIR Specification (v4.2.0: R5 Preview #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4
FHIR Infrastructure Work Group | Maturity Level: 1 | Informative | Use Context: Any |
Detailed Descriptions for the elements in the extension.
Extension | |||||||||||||
Element Id | Extension | ||||||||||||
Definition | Identifies a profile structure or implementation Guide that applies to the datatype this element refers to. If any profiles are specified, then the content must conform to at least one of them. The URL can be a local reference - to a contained StructureDefinition, or a reference to another StructureDefinition or Implementation Guide by a canonical URL. When an implementation guide is specified, the type SHALL conform to at least one profile defined in the implementation guide. | ||||||||||||
Cardinality | 0..* | ||||||||||||
Invariants |
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Extension.id | |||||||||||||
Element Id | Extension.id | ||||||||||||
Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. | ||||||||||||
Cardinality | 0..1 | ||||||||||||
Type | string | ||||||||||||
Extension.extension | |||||||||||||
Element Id | Extension.extension | ||||||||||||
Definition | An Extension | ||||||||||||
Cardinality | 0..0 | ||||||||||||
Type | Extension | ||||||||||||
Invariants |
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Slicing | This element introduces a set of slices. The slicing rules are:
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Extension.url | |||||||||||||
Element Id | Extension.url | ||||||||||||
Definition | Source of the definition for the extension code - a logical name or a URL. | ||||||||||||
Cardinality | 1..1 | ||||||||||||
Type | uri | ||||||||||||
Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. | ||||||||||||
Fixed Value | http://hl7.org/fhir/StructureDefinition/operationdefinition-profile | ||||||||||||
Extension.value[x] | |||||||||||||
Element Id | Extension.value[x] | ||||||||||||
Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). | ||||||||||||
Cardinality | 1..1 | ||||||||||||
Type | uri | ||||||||||||
[x] Note | See Choice of Data Types for further information about how to use [x] | ||||||||||||
Invariants |
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