{"resourceType":"SearchParameter","id":"SearchParameter-base","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/SearchParameter-base","version":"4.0.1","name":"base","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (FHIR Infrastructure)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/fiwg/index.cfm"}]}],"description":"The resource type(s) this search parameter applies to","code":"base","base":["SearchParameter"],"type":"token","expression":"SearchParameter.base","xpath":"f:SearchParameter/f:base","xpathUsage":"normal"}