description: The period [start date, end date]  in which the catalog is valid.
package_name: hl7.fhir.uv.order
derivation: constraint
name: ValidityPeriod
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/order-catalog/StructureDefinition/ValidityPeriod'}
    index: 0
  value:
    choices: [valuePeriod]
    index: 2
  valuePeriod: {type: Period, choiceOf: value, index: 3}
package_version: catalog-0.1.0
class: extension
kind: complex-type
url: http://hl7.org/fhir/uv/order-catalog/StructureDefinition/ValidityPeriod
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.1.0
required: [valuePeriod, value]