description: Marks a questionnaire as being adaptive. Value can either be a boolean (if true, indicates adaptive) or a URL for the base URL of a server that can perform the nextQuestion operation for this particular questionnaire. package_name: hl7.fhir.uv.sdc.r4b derivation: constraint name: QuestionnaireAdaptiveExtension type: Extension elements: url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-questionnaireAdaptive'} index: 0 value: choices: [valueBoolean, valueUrl] index: 2 valueBoolean: {type: boolean, choiceOf: value, index: 3} valueUrl: {type: url, choiceOf: value, index: 4} package_version: 3.0.0 class: extension kind: complex-type url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-questionnaireAdaptive base: http://hl7.org/fhir/StructureDefinition/Extension version: 3.0.0