{"resourceType":"SearchParameter","id":"ConceptMap-source","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/ConceptMap-source","version":"4.0.1","name":"source","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Vocabulary)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/Vocab/index.cfm"}]}],"description":"The source value set that contains the concepts that are being mapped","code":"source","base":["ConceptMap"],"type":"reference","expression":"(ConceptMap.source as canonical)","xpath":"f:ConceptMap/f:sourceCanonical","xpathUsage":"normal","target":["ValueSet"]}