description: The Advance Directive document effective dates.
package_name: hl7.fhir.us.pacio-adi.r4b
derivation: constraint
name: EffectiveDateExtension
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pacio-adi/StructureDefinition/adi-effective-date-extension'}
    index: 1
  value:
    mustSupport: true
    choices: [valuePeriod]
    index: 3
  valuePeriod: {type: Period, mustSupport: true, choiceOf: value, index: 4}
package_version: 1.0.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/pacio-adi/StructureDefinition/adi-effective-date-extension
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0
required: [valuePeriod, value]