mutation CancelBoltRun($scheduleRunId: Int!) {
  cancelBoltRun(scheduleRunId: $scheduleRunId) {
    ok
    errorLog
  }
}

{
  "scheduleRunId": 1
}

{
  "data": {
    "cancelBoltRun": {
      "ok": true,
      "errorLog": "string"
    }
  }
}