description: null package_name: hl7.fhir.us.davinci derivation: constraint name: DTRQuestionnaire type: Questionnaire elements: extension: base: {max: '*', min: 0, path: DomainResource.extension} type: Extension url: http://hl7.org/fhir/StructureDefinition/cqf-library index: 0 status: {index: 1} experimental: {index: 2} date: {index: 3} contact: {array: true, min: 1, index: 4} item: constraint: dtrq-1: {human: Non-group items must have the cqf-expression extension, severity: error, expression: 'type = ''group'' or extension.url = ''http://hl7.org/fhir/StructureDefinition/cqf-expression'''} array: true min: 1 index: 5 extensions: {} elements: extension: base: {max: '*', min: 0, path: Questionnaire.item.extension} type: Extension url: http://hl7.org/fhir/StructureDefinition/cqf-expression index: 6 package_version: dtr-1.0.0 extensions: {} class: profile kind: resource url: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/dtr-questionnaire-r4 base: http://hl7.org/fhir/StructureDefinition/cqf-questionnaire version: 1.0.0 required: [status, item, date, contact]