Extension: alternate-canonical

FHIR Infrastructure Work Group

Maturity Level: 1

Trial Use

Use Context: Any

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

Context of Use: Use on Element ID canonical

Definition

Used when the target of the reference has a type that is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions.

Summary

Name	Flags	Card.	Type	Description & Constraints
alternate-canonical		0..1	canonical(CanonicalResource)	URL = http://hl7.org/fhir/StructureDefinition/alternate-canonical alternate-canonical: Used when the target of the reference has a type that is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions. Use on Element ID canonical
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/alternate-canonical alternate-canonical: Used when the target of the reference has a type that is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions. Use on Element ID canonical
extension	0..0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/alternate-canonical"
value[x]	1..1	canonical(CanonicalResource)	Value of extension
Documentation for this format

XML Template

<!-- alternate-canonical -->

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

JSON Template

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

Summary

Name	Flags	Card.	Type	Description & Constraints
alternate-canonical		0..1	canonical(CanonicalResource)	URL = http://hl7.org/fhir/StructureDefinition/alternate-canonical alternate-canonical: Used when the target of the reference has a type that is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions. Use on Element ID canonical
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/alternate-canonical alternate-canonical: Used when the target of the reference has a type that is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions. Use on Element ID canonical
extension	0..0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/alternate-canonical"
value[x]	1..1	canonical(CanonicalResource)	Value of extension
Documentation for this format

XML Template

<!-- alternate-canonical -->

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

JSON Template

{ // alternate-canonical
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/alternate-canonical", // R! 
    "valueCanonical" : "<canonical>" // 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.