{"resourceType":"SearchParameter","id":"Composition-related-id","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/Composition-related-id","version":"4.0.1","name":"related-id","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Structured Documents)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/structure/index.cfm"}]}],"description":"Target of the relationship","code":"related-id","base":["Composition"],"type":"token","expression":"(Composition.relatesTo.target as Identifier)","xpath":"f:Composition/f:relatesTo/f:targetIdentifier","xpathUsage":"normal"}