[Yandex Cloud documentation](../index.md) > [Yandex Managed Service for Valkey™](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 Managed Service for Valkey™.

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

```text
yandex.cloud.audit.mdb.redis.<event_name>
```


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

Event name | Description
--- | ---
`AddClusterHosts` | Adding new hosts to a cluster
`AddClusterShard` | Adding a shard to a cluster
`BackupCluster` | Creating backups
`CreateCluster` | Creating a cluster
`DeleteBackup` | Deleting backups
`DeleteCluster` | Deleting a cluster
`DeleteClusterHosts` | Deleting hosts from a cluster
`DeleteClusterShard` | Deleting a shard from a cluster
`EnableClusterSharding` | Enabling cluster sharding
`MoveCluster` | Moving a cluster
`RebalanceCluster` | Rebalancing a cluster
`RescheduleMaintenance` | Changing scheduled maintenance date and time
`RestoreCluster` | Creating a new cluster from a backup
`StartCluster` | Starting a cluster
`StartClusterFailover` | Launching master switching for a cluster
`StopCluster` | Stopping a cluster
`UpdateCluster` | Updating a cluster
`UpdateClusterHosts` | Updating cluster hosts


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

Event name | Description
--- | ---
`CreateUser` | Creating a user in a cluster
`DatabaseConnectionClose` | Closing a database connection
`DatabaseConnectionOpen` | Opening a database connection
`DatabaseUserLogin` | Database user log in
`DeleteUser` | Deleting a user from a cluster
`UpdateUser` | Updating a user in a cluster