# PerformanceLevelChangeEvent

> Subscribe to events and get updates when the the current CPU or GPU level changes.

## Definition

* **Type:** Event
* **Namespace:** [UnityEngine.AdaptivePerformance](/engine/6000.5/script-reference/unityengine/adaptiveperformance.md)
* **Assembly:** UnityEngine.AdaptivePerformanceModule

```csharp
event PerformanceLevelChangeHandler PerformanceLevelChangeEvent
```