<status value="active" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Questionnaire.item" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://health.gov.on.ca/idms/fhir/StructureDefinition/Extension-Question-Required-Level" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <type> <code value="code" /> </type> </element> </differential> </StructureDefinition>