description: This cross-version extension represents QuestionnaireResponse.group.question.id from http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|1.0.2 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r2.r5 derivation: constraint name: ext_R2_QR_gr_qu_id type: Extension elements: value: base: {path: 'Extension.value[x]'} short: xml:id (or equivalent in JSON) choices: [valueId] index: 1 valueId: base: {path: 'Extension.value[x]'} type: id short: xml:id (or equivalent in JSON) choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-QuestionnaireResponse.group.question.id'} type: uri index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-QuestionnaireResponse.group.question.id base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]