description: Indicates that when filling a QuestionnaireResponse and selecting a reference, that the referenced resource should be included as a 'contained' resource within the QuestionnaireResponse package_name: hl7.fhir.us.davinci-dtr derivation: constraint name: ContainedReference type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/containedReference'} type: uri index: 1 value: short: Contain the reference? choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, short: 'Contain the reference?', choiceOf: value, index: 4} package_version: 2.2.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/containedReference base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.2.0-ballot required: [value, valueBoolean]