description: 'R5: `ActivityDefinition.asNeeded[x]` (new:boolean, CodeableConcept)'
package_name: hl7.fhir.uv.xver-r5.r3
derivation: constraint
name: ExtensionActivityDefinition_AsNeeded
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-ActivityDefinition.asNeeded'}
    index: 0
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    short: Preconditions for service
    choices: [valueBoolean, valueCodeableConcept]
    index: 2
  valueBoolean:
    short: Preconditions for service
    type: boolean
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    choiceOf: value
    index: 3
  valueCodeableConcept:
    short: Preconditions for service
    type: CodeableConcept
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    choiceOf: value
    index: 4
package_version: 0.1.0
class: extension
kind: complex-type
url: http://hl7.org/fhir/5.0/StructureDefinition/extension-ActivityDefinition.asNeeded
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.1.0
required: [url]