{"resourceType":"SearchParameter","id":"DeviceRequest-device","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/DeviceRequest-device","version":"4.0.1","name":"device","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Orders and Observations)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/orders/index.cfm"}]}],"description":"Reference to resource that is being requested/ordered","code":"device","base":["DeviceRequest"],"type":"reference","expression":"(DeviceRequest.code as Reference)","xpath":"f:DeviceRequest/f:codeReference","xpathUsage":"normal","target":["Device"]}