{ "description": "Optional Extensions Element", "_filename": "SearchParameter-codesystem-extensions-CodeSystem-keyword.json", "package_name": "hl7.fhir.core", "date": null, "publisher": null, "multipleAnd": true, "multipleOr": true, "name": "keyword", "xpath": "f:CodeSystem/f:extension[@url='http://hl7.org/fhir/StructureDefinition/codesystem-keyWord'] | /f:#keyWord", "xpathUsage": "normal", "type": "string", "experimental": "true", "resourceType": "SearchParameter", "title": null, "package_version": "3.5.0", "status": "draft", "id": "9fc0b744-8f6b-40da-ad37-272c7f2fdf68", "kind": null, "url": "http://hl7.org/fhir/SearchParameter/codesystem-extensions-CodeSystem-keyword", "code": "keyword", "version": null }