Extension: _datatype

FHIR Infrastructure Work Group

Maturity Level: 1

Trial Use

Use Context: Any

Official URL: `http://hl7.org/fhir/StructureDefinition/_datatype`				Version: 5.0.0-snapshot3
draft as of 2014-04-27				Computable Name: _datatype
Flags: Non-Modifier				OID: TBD

Context of Use: Use on Element ID Base

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.

Summary

Name	Flags	Card.	Type	Description & Constraints
_datatype		0..1	string	URL = 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
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = 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..1	uri	"http://hl7.org/fhir/StructureDefinition/_datatype"
value[x]	1..1	string	Value of extension
Documentation for this format

XML Template

<!-- _datatype -->

<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

Name	Flags	Card.	Type	Description & Constraints
_datatype		0..1	string	URL = 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
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = 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..1	uri	"http://hl7.org/fhir/StructureDefinition/_datatype"
value[x]	1..1	string	Value of extension
Documentation for this format

XML Template

<!-- _datatype -->

<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: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (xpath: extension.exists() != value.exists())
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: hasValue() or (children().count() > id.count()))
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: extension.exists() != value.exists())
ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: hasValue() or (children().count() > id.count()))

Search

No Search Extensions defined for this resource

Examples of this extension

No examples found.