description: This cross-version extension represents StructureDefinition.kind from http://hl7.org/fhir/StructureDefinition/StructureDefinition|1.0.2 for use in FHIR R4. package_name: hl7.fhir.uv.xver derivation: constraint name: ext_R2_StructureDefinition_kind type: Extension elements: value: base: {path: 'Extension.value[x]'} short: datatype | resource | logical choices: [valueCode] index: 1 valueCode: base: {path: 'Extension.value[x]'} type: code short: datatype | resource | logical choiceOf: value index: 2 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-StructureDefinition.kind'} index: 3 package_version: r2.r4-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-StructureDefinition.kind base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]