description: This cross-version extension represents Contract.binding[x] from http://hl7.org/fhir/StructureDefinition/Contract|3.0.2 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r3.r5 derivation: constraint name: ext_R3_Contract_binding type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Binding Contract choices: [valueAttachment, valueReference] index: 1 valueAttachment: base: {path: 'Extension.value[x]'} type: Attachment short: Binding Contract choiceOf: value index: 2 valueReference: base: {path: 'Extension.value[x]'} type: Reference short: Binding Contract choiceOf: value refers: ['http://hl7.org/fhir/StructureDefinition/Composition', 'http://hl7.org/fhir/StructureDefinition/DocumentReference', 'http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse'] index: 3 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-Contract.binding'} index: 4 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-Contract.binding base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]