description: If true, indicates that if this option is selected, no other options may be selected, even if the item is a repeating question. package_name: hl7.fhir.core derivation: constraint name: optionExclusive type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/questionnaire-optionExclusive'} index: 1 valueBoolean: {type: boolean, index: 2} package_version: 3.2.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/questionnaire-optionExclusive base: http://hl7.org/fhir/StructureDefinition/Extension version: null