description: This cross-version extension represents OperationDefinition.resource from http://hl7.org/fhir/StructureDefinition/OperationDefinition|4.0.1 for use in FHIR R5. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R4_OperationDefinition_resource type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Types this operation applies to choices: [valueCode] index: 1 valueCode: base: {path: 'Extension.value[x]'} type: code short: Types this operation applies to choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/4.0/StructureDefinition/extension-OperationDefinition.resource'} type: uri index: 3 package_version: r4.r5-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/4.0/StructureDefinition/extension-OperationDefinition.resource base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]