description: If present and true, indicates that the item indicates a different subject for this group. package_name: hl7.fhir.uv.sdc derivation: constraint name: IsSubjectResponseExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaireresponse-isSubject'} index: 1 value: choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, choiceOf: value, index: 4} package_version: 4.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaireresponse-isSubject base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.0.0-ballot