description: This cross-version extension represents Subscription.tag from http://hl7.org/fhir/StructureDefinition/Subscription|1.0.2 for use in FHIR R4.
package_name: hl7.fhir.uv.xver
derivation: constraint
name: ext_R2_Subscription_tag
type: Extension
elements:
  value:
    base: {path: 'Extension.value[x]'}
    short: A tag to add to matching resources
    choices: [valueCoding]
    index: 1
  valueCoding:
    base: {path: 'Extension.value[x]'}
    type: Coding
    short: A tag to add to matching resources
    choiceOf: value
    index: 2
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-Subscription.tag'}
    index: 3
package_version: r2.r4-0.0.1-snapshot-1
class: extension
kind: complex-type
url: http://hl7.org/fhir/1.0/StructureDefinition/extension-Subscription.tag
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]