{"resourceType":"SearchParameter","id":"Subscription-payload","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/Subscription-payload","version":"4.0.1","name":"payload","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (FHIR Infrastructure)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/fiwg/index.cfm"}]}],"description":"The mime-type of the notification payload","code":"payload","base":["Subscription"],"type":"token","expression":"Subscription.channel.payload","xpath":"f:Subscription/f:channel/f:payload","xpathUsage":"normal"}