{
  "type": "object",
  "required": [
    "scheduledEventId",
    "startedEventId"
  ],
  "properties": {
    "details": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Data"
        },
        {
          "description": "Details of the cancellation."
        }
      ]
    },
    "scheduledEventId": {
      "allOf": [
        {
          "$ref": "#/components/schemas/EventId"
        },
        {
          "description": "The ID of the <code>ActivityTaskScheduled</code> event that was recorded when this activity task was scheduled. This information can be useful for diagnosing problems by tracing back the chain of events leading up to this event."
        }
      ]
    },
    "startedEventId": {
      "allOf": [
        {
          "$ref": "#/components/schemas/EventId"
        },
        {
          "description": "The ID of the <code>ActivityTaskStarted</code> event recorded when this activity task was started. This information can be useful for diagnosing problems by tracing back the chain of events leading up to this event."
        }
      ]
    },
    "latestCancelRequestedEventId": {
      "allOf": [
        {
          "$ref": "#/components/schemas/EventId"
        },
        {
          "description": "If set, contains the ID of the last <code>ActivityTaskCancelRequested</code> event recorded for this activity task. This information can be useful for diagnosing problems by tracing back the chain of events leading up to this event."
        }
      ]
    }
  },
  "description": "Provides the details of the <code>ActivityTaskCanceled</code> event.",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "ActivityTaskCanceledEventAttributes"
}