{ "description": "When reaction started", "_filename": "SearchParameter-Immunization-reaction-date.json", "package_name": "hl7.fhir.r5.examples", "date": "2021-12-21T15:26:20+11:00", "expression": "Immunization.reaction.date", "publisher": "Health Level Seven International (Public Health and Emergency Response)", "name": "reaction-date", "xpath": "f:Immunization/f:reaction/f:date", "xpathUsage": "normal", "type": "date", "experimental": "false", "resourceType": "SearchParameter", "title": null, "package_version": "5.0.0-snapshot1", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode": "normative" } ], "status": "active", "id": "1187129b-b1ff-4650-b3f6-e32fcccda593", "kind": null, "url": "http://hl7.org/fhir/SearchParameter/Immunization-reaction-date", "code": "reaction-date", "comparator": [ "eq", "ne", "gt", "ge", "lt", "le", "sa", "eb", "ap" ], "base": [ "Immunization" ], "version": "5.0.0-snapshot1", "contact": [ { "telecom": [ { "value": "http://hl7.org/fhir", "system": "url" } ] }, { "telecom": [ { "value": "http://www.hl7.org/Special/committees/pher/index.cfm", "system": "url" } ] } ] }