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Extension: _datatype

FHIR Infrastructure Work Group Maturity Level: 1InformativeUse Context: Any

Summary

Defining URL:http://hl7.org/fhir/StructureDefinition/_datatype
Version:5.0.0-cibuild
Name:_datatype
Title:null
Modifier:This extension is not a modifier extension
Status:draft
Definition:Used when the actual type is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions - see [Cross Version Extensions](versions.html#extensions).
Committee:FHIR Infrastructure Work Group

Status: draft. Extension maintained by: Health Level Seven International (FHIR Infrastructure)

Used when the actual type is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions - see Cross Version Extensions.

Context of Use: Use on Element ID Base

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. _datatype0..1stringURL = http://hl7.org/fhir/StructureDefinition/_datatype
_datatype: Used when the actual type is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions - see Cross Version Extensions.


Use on Element ID Base

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/_datatype
_datatype: Used when the actual type is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions - see Cross Version Extensions.


Use on Element ID Base
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/_datatype"
... value[x] 1..1stringValue of extension

doco Documentation for this format

XML Template

<!-- _datatype -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/_datatype" >
  <!-- from Element: extension -->
 <valueString value="[string]"/><!-- I 1..1 Value of extension -->
</extension>

JSON Template

{ // _datatype
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/_datatype", // R! 
    "valueString" : "<string>" // I R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. _datatype0..1stringURL = http://hl7.org/fhir/StructureDefinition/_datatype
_datatype: Used when the actual type is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions - see Cross Version Extensions.


Use on Element ID Base

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/_datatype
_datatype: Used when the actual type is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions - see Cross Version Extensions.


Use on Element ID Base
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/_datatype"
... value[x] 1..1stringValue of extension

doco Documentation for this format

XML Template

<!-- _datatype -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/_datatype" >
  <!-- from Element: extension -->
 <valueString value="[string]"/><!-- I 1..1 Value of extension -->
</extension>

JSON Template

{ // _datatype
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/_datatype", // R! 
    "valueString" : "<string>" // I R! Value of extension
  }

 

Constraints

  • ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div)
  • 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)

Search

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Examples of this extension

No examples found.