{
  "type": "string",
  "enum": [
    "ACTIVITY_TYPE_DEPRECATED",
    "ACTIVITY_TYPE_DOES_NOT_EXIST",
    "ACTIVITY_ID_ALREADY_IN_USE",
    "OPEN_ACTIVITIES_LIMIT_EXCEEDED",
    "ACTIVITY_CREATION_RATE_EXCEEDED",
    "DEFAULT_SCHEDULE_TO_CLOSE_TIMEOUT_UNDEFINED",
    "DEFAULT_TASK_LIST_UNDEFINED",
    "DEFAULT_SCHEDULE_TO_START_TIMEOUT_UNDEFINED",
    "DEFAULT_START_TO_CLOSE_TIMEOUT_UNDEFINED",
    "DEFAULT_HEARTBEAT_TIMEOUT_UNDEFINED",
    "OPERATION_NOT_PERMITTED"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "ScheduleActivityTaskFailedCause"
}