{
  "description": "Cancel the task.  Set the status of the task to cancelled.",
  "_filename": "operation-task-cancel.json",
  "package_name": "hl7.fhir.core",
  "date": "2016-03-31T08:01:25+11:00",
  "system": false,
  "publisher": "HL7 (FHIR Project)",
  "instance": true,
  "name": "Cancel Task",
  "type": null,
  "experimental": null,
  "resourceType": "OperationDefinition",
  "title": null,
  "package_version": "1.4.0",
  "status": "draft",
  "id": "a141123d-ed11-4370-89f4-b4e334b2ddb0",
  "kind": "operation",
  "url": "http://hl7.org/fhir/OperationDefinition/Task-cancel",
  "code": "cancel",
  "version": null,
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "other"
    }, {
      "value": "fhir@lists.hl7.org",
      "system": "email"
    } ]
  } ]
}