description: An Extension to represent the organization period and date type. package_name: NHSD.Assets.STU3 derivation: constraint name: Extension-ODSAPI-ActivePeriod-1 type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.nhs.uk/STU3/StructureDefinition/Extension-ODSAPI-ActivePeriod-1'} index: 0 valuePeriod: type: Period short: A Period Type extended to carry the date type for an Organization. index: 1 slicing: slices: valuePeriod: match: {} schema: {type: Period, short: A Period Type extended to carry the date type for an Organization., _required: true, index: 1} min: 1 package_version: 1.0.0 class: extension kind: complex-type url: https://fhir.nhs.uk/STU3/StructureDefinition/Extension-ODSAPI-ActivePeriod-1 base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valuePeriod]