description: This cross-version extension represents Provenance.basedOn from http://hl7.org/fhir/StructureDefinition/Provenance|5.0.0 for use in FHIR R4. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R5_Provenance_basedOn type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Workflow authorization within which this event occurred choices: [valueReference] index: 1 valueReference: base: {path: 'Extension.value[x]'} type: Reference short: Workflow authorization within which this event occurred choiceOf: value refers: ['http://hl7.org/fhir/StructureDefinition/CarePlan', 'http://hl7.org/fhir/StructureDefinition/DeviceRequest', 'http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation', 'http://hl7.org/fhir/StructureDefinition/MedicationRequest', 'http://hl7.org/fhir/StructureDefinition/NutritionOrder', 'http://hl7.org/fhir/StructureDefinition/ServiceRequest', 'http://hl7.org/fhir/StructureDefinition/Task'] index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-Provenance.basedOn'} type: uri index: 3 package_version: r5.r4-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-Provenance.basedOn base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]