FHIR Extensions Pack
5.2.0 - February 2025 International flag

This page is part of the FHIR Core Extensions Registry (v5.2.0: Release 5.2) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

Extension: Allowed Type

Official URL: http://hl7.org/fhir/StructureDefinition/operationdefinition-allowed-type Version: 5.2.0
Standards status: Trial-use Maturity Level: 1 Computable Name: AllowedType

When the base type is an abstract type (e.g. Resource or Element) then this extension defines which concrete types are allowed to be used for a parameter. In the absence of this extension, any type is allowed. Replaced by OperationDefinition.parameter.allowedType in R5+

Context of Use

This extension may be used on the following element(s):

This extension is allowed for use with FHIR versions up to R4B .

Usage info

Usage:

Changes since version 1.0.0:

  • New Content

    • Formal Views of Extension Content

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

    This structure is derived from Extension

    Summary

    Simple Extension of type uri: When the base type is an abstract type (e.g. Resource or Element) then this extension defines which concrete types are allowed to be used for a parameter. In the absence of this extension, any type is allowed. Replaced by OperationDefinition.parameter.allowedType in R5+

    Maturity: 1

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..* Extension Which types are allowed for a parameter, when the base type is Abstract
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/operationdefinition-allowed-type"
    ... value[x] 1..1 uri Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..* Extension Which types are allowed for a parameter, when the base type is Abstract
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/operationdefinition-allowed-type"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type uri: When the base type is an abstract type (e.g. Resource or Element) then this extension defines which concrete types are allowed to be used for a parameter. In the absence of this extension, any type is allowed. Replaced by OperationDefinition.parameter.allowedType in R5+

    Maturity: 1

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..* Extension Which types are allowed for a parameter, when the base type is Abstract
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/operationdefinition-allowed-type"
    ... value[x] 1..1 uri Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..* Extension Which types are allowed for a parameter, when the base type is Abstract
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/operationdefinition-allowed-type"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    Constraints

    IdGradePath(s)DetailsRequirements
    ele-1error**ALL** elementsAll FHIR elements must have a @value or children
    : hasValue() or (children().count() > id.count())
    ext-1error**ALL** extensionsMust have either extensions or value[x], not both
    : extension.exists() != value.exists()

    Search Parameters for this Extension

    (none found)