{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "HistoryEvent",
  "type": "object",
  "properties": {
    "timestamp": {},
    "type": {},
    "id": {},
    "previousEventId": {},
    "activityFailedEventDetails": {
      "type": "object",
      "properties": {
        "error": {},
        "cause": {}
      },
      "description": "Contains details about an activity that failed during an execution."
    },
    "activityScheduleFailedEventDetails": {},
    "activityScheduledEventDetails": {
      "type": "object",
      "properties": {
        "resource": {},
        "input": {},
        "inputDetails": {},
        "timeoutInSeconds": {},
        "heartbeatInSeconds": {}
      },
      "required": [
        "resource"
      ],
      "description": "Contains details about an activity scheduled during an execution."
    },
    "activityStartedEventDetails": {
      "type": "object",
      "properties": {
        "workerName": {}
      },
      "description": "Contains details about the start of an activity during an execution."
    },
    "activitySucceededEventDetails": {
      "type": "object",
      "properties": {
        "output": {},
        "outputDetails": {}
      },
      "description": "Contains details about an activity that successfully terminated during an execution."
    },
    "activityTimedOutEventDetails": {
      "type": "object",
      "properties": {
        "error": {},
        "cause": {}
      },
      "description": "Contains details about an activity timeout that occurred during an execution."
    },
    "taskFailedEventDetails": {},
    "taskScheduledEventDetails": {},
    "taskStartFailedEventDetails": {},
    "taskStartedEventDetails": {},
    "taskSubmitFailedEventDetails": {},
    "taskSubmittedEventDetails": {},
    "taskSucceededEventDetails": {},
    "taskTimedOutEventDetails": {},
    "executionFailedEventDetails": {
      "type": "object",
      "properties": {
        "error": {},
        "cause": {}
      },
      "description": "Contains details about an execution failure event."
    },
    "executionStartedEventDetails": {
      "type": "object",
      "properties": {
        "input": {},
        "inputDetails": {},
        "roleArn": {}
      },
      "description": "Contains details about the start of the execution."
    }
  },
  "required": [
    "timestamp",
    "type",
    "id"
  ],
  "description": "Contains details about the events of an execution."
}