{"resourceType":"SearchParameter","id":"AllergyIntolerance-last-date","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/AllergyIntolerance-last-date","version":"4.0.1","name":"last-date","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Patient Care)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/patientcare/index.cfm"}]}],"description":"Date(/time) of last known occurrence of a reaction","code":"last-date","base":["AllergyIntolerance"],"type":"date","expression":"AllergyIntolerance.lastOccurrence","xpath":"f:AllergyIntolerance/f:lastOccurrence","xpathUsage":"normal","comparator":["eq","ne","gt","ge","lt","le","sa","eb","ap"]}