description: This cross-version extension represents Composition.attester.mode from http://hl7.org/fhir/StructureDefinition/Composition|3.0.2 for use in FHIR R4. package_name: hl7.fhir.uv.xver derivation: constraint name: Ext_R3_Composition_at_mode type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-Composition.attester.mode'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: personal | professional | legal | official choices: [valueCode] index: 2 valueCode: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: code short: personal | professional | legal | official choiceOf: value index: 3 package_version: r3.r4-0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-Composition.attester.mode base: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1 version: 0.0.1-snapshot-2 required: [url]