[Yandex Cloud documentation](../index.md) > [Yandex Network Load Balancer](index.md) > Audit Trails events

# Yandex Audit Trails event reference

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

The `event_type` value follows this general format:

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

Event name | Description
--- | ---
`AddNetworkLoadBalancerListener` | Adding a listener to a network load balancer
`AddTargetGroupTargets` | Adding a VM to a target group
`AttachNetworkLoadBalancerTargetGroup` | Attaching a target group to a network load balancer
`CreateNetworkLoadBalancer` | Creating a network load balancer
`CreateTargetGroup` | Creating a target group
`DeleteNetworkLoadBalancer` | Deleting a network load balancer
`DeleteTargetGroup` | Deleting a target group
`DetachNetworkLoadBalancerTargetGroup` | Detaching a target group from a network load balancer
`DisableNetworkLoadBalancerZones` | Disabling an availability zone 
`EnableNetworkLoadBalancerZones` | Enabling an availability zone
`RemoveNetworkLoadBalancerListener` | Removing a listener from a network load balancer
`RemoveTargetGroupTargets` | Removing a VM from a target group
`StartNetworkLoadBalancer` | Starting a network load balancer
`StopNetworkLoadBalancer` | Stopping a network load balancer
`UpdateNetworkLoadBalancer` | Updating a network load balancer
`UpdateTargetGroup` | Updating a target group