# LifecycleEventHandler

> Adaptive Performance lifecycle events which are sent when the lifecycle of IAdaptivePerformance is changed.

## Definition

* **Type:** Delegate
* **Namespace:** [UnityEngine.AdaptivePerformance](/engine/6000.7/script-reference/unityengine/adaptiveperformance.md)
* **Assembly:** UnityEngine.AdaptivePerformanceModule

```csharp
public delegate void LifecycleEventHandler(IAdaptivePerformance instance, LifecycleChangeType changeType)
```