# KillSwitchEngage

> The KillSwitchEngage object in the Guv API.

## Fields

| Field | Type | Description |
| --- | --- | --- |
| `reason` * | string |  |

\* always present

## Example

```json
{
  "reason": "string"
}
```

## Used by

- [Turn the kill switch on (agents become read-only, agent tokens revoked)](/docs/api/admin/#turn-the-kill-switch-on-agents-become-read-only-agent-tokens-revoked)