{"resourceType":"SearchParameter","id":"codesystem-extensions-CodeSystem-author","url":"http://hl7.org/fhir/SearchParameter/codesystem-extensions-CodeSystem-author","version":"4.0.1","name":"author","status":"draft","experimental":true,"description":"Optional Extensions Element","code":"author","type":"string","xpath":"f:CodeSystem/f:extension[@url='http://hl7.org/fhir/StructureDefinition/codesystem-author'] | /f:#author","xpathUsage":"normal"}