{ "description": "The service request this appointment is allocated to assess", "_filename": "SearchParameter-Appointment-based-on.json", "package_name": "hl7.fhir.r4b.core", "date": "2022-05-28T12:47:40+10:00", "expression": "Appointment.basedOn", "publisher": "Health Level Seven International (Patient Administration)", "name": "based-on", "xpath": "f:Appointment/f:basedOn", "xpathUsage": "normal", "type": "reference", "experimental": "false", "resourceType": "SearchParameter", "title": null, "package_version": "4.3.0", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode": "trial-use" } ], "status": "draft", "id": "4d3035f0-e010-417a-b989-415ee58fe277", "kind": null, "url": "http://hl7.org/fhir/SearchParameter/Appointment-based-on", "code": "based-on", "target": [ "ServiceRequest" ], "base": [ "Appointment" ], "version": "4.3.0", "contact": [ { "telecom": [ { "value": "http://hl7.org/fhir", "system": "url" } ] }, { "telecom": [ { "value": "http://www.hl7.org/Special/committees/pafm/index.cfm", "system": "url" } ] } ] }