| Field | Type | Required | Description |
|---|---|---|---|
| device_id | string | + | Id of target device. It should be only device of current gateway |
| status | string | + | Status of checking process. Possible values: started, finished, failed. |
| completed | int | – | Progress of operation |
| error | object | – | Description of failed status |
| error.code | int | + | Code of error |
| error.data | string | + | String token of error |
| error.message | string | – | Detailed description of error |