{ "description": "The mime-type of the notification payload", "_filename": "SearchParameter-Subscription-payload.json", "package_name": "hl7.fhir.core", "date": "2018-08-19T21:48:56+10:00", "expression": "Subscription.channel.payload", "modifier": [ "missing", "exact", "contains" ], "publisher": "Health Level Seven International (FHIR Infrastructure)", "multipleAnd": true, "multipleOr": true, "name": "payload", "xpath": "f:Subscription/f:channel/f:payload", "xpathUsage": "normal", "type": "string", "experimental": "false", "resourceType": "SearchParameter", "title": null, "package_version": "3.5.0", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueString": "Trial Use" } ], "status": "draft", "id": "e29d07bd-4d19-49b8-9588-fece50c68bd6", "kind": null, "url": "http://hl7.org/fhir/SearchParameter/Subscription-payload", "code": "payload", "base": [ "Subscription" ], "version": null, "contact": [ { "telecom": [ { "value": "http://hl7.org/fhir", "system": "url" } ] }, { "telecom": [ { "value": "http://www.hl7.org/Special/committees/fiwg/index.cfm", "system": "url" } ] } ] }