description: The date range that this organization should be considered available. package_name: hl7.fhir.uv.extensions derivation: constraint name: OrgPeriod type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/organization-period'} index: 1 value: choices: [valuePeriod] index: 3 valuePeriod: {type: Period, choiceOf: value, index: 4} package_version: 5.1.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/organization-period base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.1.0 required: [valuePeriod, value]