Release 4B

This page is part of the FHIR Specification (v4.3.0: R4B - STU). 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 R3

Extension: namespace

FHIR Infrastructure Work Group

Maturity Level: 1

Informative

Use Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace

Status: draft. Extension maintained by: Health Level Seven, Inc. - FHIR Core WG

Use this extension to indicate tha the element has an XML namespace different to http://hl7.org/fhir.

Comment:

If this is specified in a structure definition (logical models only), every element has the specified namespace.

Context of Use: Use on Element ID ElementDefinition or Element ID StructureDefinition

Summary

Name	Flags	Card.	Type	Description & Constraints
namespace		0..1	uri	URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace namespace: Use this extension to indicate tha the element has an XML namespace different to http://hl7.org/fhir. Use on Element ID ElementDefinition or Element ID StructureDefinition
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace namespace: Use this extension to indicate tha the element has an XML namespace different to http://hl7.org/fhir. Use on Element ID ElementDefinition or Element ID StructureDefinition
extension	0..0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace"
value[x]	1..1	uri	Value of extension
Documentation for this format

XML Template

<!-- namespace -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace" >
  <!-- from Element: extension -->
 <valueUri value="[uri]"/><!--  1..1 Value of extension -->
</extension>

JSON Template

{ // namespace
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace", // R! 
    "valueUri" : "<uri>" // C? R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
namespace		0..1	uri	URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace namespace: Use this extension to indicate tha the element has an XML namespace different to http://hl7.org/fhir. Use on Element ID ElementDefinition or Element ID StructureDefinition
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace namespace: Use this extension to indicate tha the element has an XML namespace different to http://hl7.org/fhir. Use on Element ID ElementDefinition or Element ID StructureDefinition
extension	0..0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace"
value[x]	1..1	uri	Value of extension
Documentation for this format

XML Template

<!-- namespace -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace" >
  <!-- from Element: extension -->
 <valueUri value="[uri]"/><!--  1..1 Value of extension -->
</extension>

JSON Template

{ // namespace
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace", // R! 
    "valueUri" : "<uri>" // C? R! Value of extension
  }

Constraints

ele-1: All FHIR elements must have a @value or children unless an empty Parameters resource (xpath: @value|f:*|h:div|self::f:Parameters)
ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: @value|f:*|h:div)