description: If true, indicates that the observation-based approach should be used to extract either the particular item (if extension is defined on an individual question or group based on the code present) or all items in the questionnaire (if defined at the questionnaire root and if they have a code present).
package_name: hl7.fhir.uv.sdc
derivation: constraint
name: ObservationExtractExtension
type: Extension
elements:
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-observationExtract'}
    index: 0
  value:
    choices: [valueBoolean]
    index: 2
  valueBoolean: {type: boolean, choiceOf: value, index: 3}
package_version: 3.0.0-preview
class: extension
kind: complex-type
url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-observationExtract
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 3.0.0-preview