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

# Yandex Audit Trails event reference

Audit Trails supports tracking [control plane](../audit-trails/concepts/format.md) and [data plane](../audit-trails/concepts/format-data-plane.md) events for Yandex Object Storage.

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

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

## Management event reference {#control-plane-events}

Event name | Description
--- | ---
`BucketAccessBindingsUpdate` | Updating the bucket access binding logic
`BucketAclUpdate` | Updating the ACL for a bucket
`BucketCorsUpdate` | Updating the CORS configuration for a bucket
`BucketCreate` | Creating a bucket
`BucketDelete` | Deleting a bucket
`BucketEncryptionUpdate` | Updating bucket encryption settings
`BucketVersioningUpdate` | Updating bucket versioning settings
`BucketHttpsUpdate` | Updating the HTTPS configuration for a bucket
`BucketLifecycleUpdate` | Changing the lifecycle of an object in a bucket
`BucketLoggingUpdate` | Updating the bucket actions logging mechanism
`BucketObjectLockUpdate` | Reconfiguring object version locks in a bucket
`BucketPolicyUpdate` | Updating the access policies for a bucket
`BucketTagsUpdate` | Updating bucket tags
`BucketUpdate` | Updating a bucket
`BucketWebsiteUpdate` | Updating a website configuration

## Data event reference {#data-plane-events}

Event name | Description
--- | ---
`ObjectAclUpdate` | Updating an object's ACL in a bucket
`ObjectCreate` | Creating an object in a bucket
`ObjectDelete` | Deleting an object from a bucket
`ObjectGetByPresignURL` | Getting an object from a bucket using a [pre-signed URL](security/overview.md#pre-signed)
`ObjectTagsDelete` | Deleting bucket object tags
`ObjectTagsUpdate` | Updating bucket object tags
`ObjectUpdate` | Updating an object in a bucket
`PresignURLCreate` | Creating a signed link