[Yandex Cloud documentation](../index.md) > [Yandex SmartCaptcha](index.md) > Audit Trails events

# Yandex Audit Trails event reference

Audit Trails supports tracking control plane events for Yandex SmartCaptcha. For more details, see [Management event audit log](../audit-trails/concepts/format.md).

The general format of the `event_type` value is as follows:

```text
yandex.cloud.audit.smartcaptcha.<event_name>
```

| Event name | Description |
--- | ---
| `CreateCaptcha` | Creating a CAPTCHA |
| `DeleteCaptcha` | Deleting a CAPTCHA |
| `UpdateCaptcha` | Updating a CAPTCHA |