{"resourceType":"SearchParameter","id":"MessageHeader-sender","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/MessageHeader-sender","version":"4.0.1","name":"sender","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Infrastructure And Messaging)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/special/committees/inm/index.cfm"}]}],"description":"Real world sender of the message","code":"sender","base":["MessageHeader"],"type":"reference","expression":"MessageHeader.sender","xpath":"f:MessageHeader/f:sender","xpathUsage":"normal","target":["Practitioner","Organization","PractitionerRole"]}