{ "description": "External identifier for the code system", "_filename": "SearchParameter-CodeSystem-identifier.json", "package_name": "hl7.fhir.r3.examples", "date": "2019-10-24T11:53:00+11:00", "expression": "CodeSystem.identifier", "publisher": "Health Level Seven International (Vocabulary)", "name": "identifier", "xpath": "f:CodeSystem/f:identifier", "xpathUsage": "normal", "type": "token", "experimental": "false", "resourceType": "SearchParameter", "title": null, "package_version": "3.0.2", "status": "draft", "id": "27a1a32b-925b-4884-b89d-957fdc955d46", "kind": null, "url": "http://hl7.org/fhir/SearchParameter/CodeSystem-identifier", "code": "identifier", "base": [ "CodeSystem" ], "version": null, "contact": [ { "telecom": [ { "value": "http://hl7.org/fhir", "system": "url" } ] }, { "telecom": [ { "value": "http://www.hl7.org/Special/committees/Vocab/index.cfm", "system": "url" } ] } ] }