description: null package_name: fhir.bfarm.de derivation: constraint name: HealthAppPrescriptionUnitAnwendungsdauer type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.bfarm.de/StructureDefinition/HealthAppPrescriptionUnitAnwendungsdauer'} index: 0 value: mustSupport: true choices: [valueDuration] index: 2 valueDuration: {type: Duration, mustSupport: true, choiceOf: value, index: 3} value[x]: elements: value: {mustSupport: true, index: 4} unit: {mustSupport: true, index: 5} required: [value, unit] package_version: 2.0.0 class: extension kind: complex-type url: https://fhir.bfarm.de/StructureDefinition/HealthAppPrescriptionUnitAnwendungsdauer base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0 required: [value, valueDuration]