{ "description": "When reaction started", "_filename": "SearchParameter-Immunization-reaction-date.json", "package_name": "hl7.fhir.r5.core", "date": "2022-09-10T04:52:37+10:00", "expression": "Immunization.reaction.date", "publisher": "Health Level Seven International (Public Health and Emergency Response)", "name": "reaction-date", "type": "date", "experimental": "false", "resourceType": "SearchParameter", "title": null, "package_version": "5.0.0-ballot", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode": "normative" } ], "status": "active", "id": "7252d65d-8c65-4e49-8bfc-31d42227c80b", "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-ballot", "contact": [ { "telecom": [ { "value": "http://hl7.org/fhir", "system": "url" } ] }, { "telecom": [ { "value": "http://www.hl7.org/Special/committees/pher/index.cfm", "system": "url" } ] } ] }