description: Specifies the criteria by which the question is enabled. package_name: nictiz.fhir.nl.stu3.questionnaires derivation: constraint name: questionnaire-enableOperator type: Extension elements: url: pattern: {type: Uri, value: 'http://nictiz.nl/fhir/StructureDefinition/questionnaire-enableOperator'} index: 0 valueCode: type: code index: 1 slicing: slices: valueCode: match: {} schema: {type: code, _required: true, index: 1} min: 1 package_version: 2.0.8 class: extension kind: complex-type url: http://nictiz.nl/fhir/StructureDefinition/questionnaire-enableOperator base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.1 required: [valueCode]