<status value="draft" /> <description value="xxx" /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="https://gematik.de/fhir/hddt/StructureDefinition/test-observation-profile" /> <derivation value="constraint" /> <differential> <element id="Observation.device"> <path value="Observation.device" /> <type> <code value="Reference" /> <targetProfile value="https://gematik.de/fhir/hddt/StructureDefinition/hddt-personal-health-device" /> </type> </element> </differential> </StructureDefinition>