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: Selector

Official URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-selector Version: 5.2.0
Standards status: Deprecated Maturity Level: 3 Computable Name: Selector
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1643

A FHIRPath statement that defines whether an element is in the slice. DEPRECATED: This was never used. The relevant FHIRPath is automatically calculated by the tooling.

Context of Use

This extension is deprecated and should no longer be used

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

Usage info

Usage:

  • This Extension is not used by any profiles in this Implementation Guide

Changes since version 1.0.0:

  • The resource metadata has changed (status, description)

    • 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 string: A FHIRPath statement that defines whether an element is in the slice. DEPRECATED: This was never used. The relevant FHIRPath is automatically calculated by the tooling.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension FHIRPath that defines the selection criteria for a slice
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-selector"
    ... value[x] 1..1 string Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension FHIRPath that defines the selection criteria for a slice
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-selector"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type string: A FHIRPath statement that defines whether an element is in the slice. DEPRECATED: This was never used. The relevant FHIRPath is automatically calculated by the tooling.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension FHIRPath that defines the selection criteria for a slice
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-selector"
    ... value[x] 1..1 string Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension FHIRPath that defines the selection criteria for a slice
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-selector"

    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)