{"resourceType":"SearchParameter","id":"AuditEvent-source","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/AuditEvent-source","version":"4.0.1","name":"source","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Security)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/secure/index.cfm"}]}],"description":"The identity of source detecting the event","code":"source","base":["AuditEvent"],"type":"reference","expression":"AuditEvent.source.observer","xpath":"f:AuditEvent/f:source/f:observer","xpathUsage":"normal","target":["Practitioner","Organization","Device","Patient","PractitionerRole","RelatedPerson"]}