{
"description": "Optional Extensions Element",
"_filename": "SearchParameter-codesystem-extensions-CodeSystem-effective.json",
"package_name": "hl7.fhir.r5.examples",
"date": null,
"publisher": null,
"name": "effective",
"xpath": "f:CodeSystem/f:extension[@url='http://hl7.org/fhir/StructureDefinition/codesystem-effectiveDate'] | /f:#effectiveDate",
"xpathUsage": "normal",
"type": "date",
"experimental": "true",
"resourceType": "SearchParameter",
"title": null,
"package_version": "5.0.0-snapshot1",
"status": "draft",
"id": "abc6f5d5-298b-4d75-a806-0c98c9434667",
"kind": null,
"url": "http://hl7.org/fhir/SearchParameter/codesystem-extensions-CodeSystem-effective",
"code": "effective",
"version": "5.0.0-snapshot1"
}