# PerformanceModeEvent

> Subscribe to performance mode events which Adaptive Performance sends when the performance mode of the device changes.

## Definition

* **Type:** Event
* **Namespace:** [UnityEngine.AdaptivePerformance](/engine/6000.3/script-reference/unityengine/adaptiveperformance.md)
* **Assembly:** UnityEngine.AdaptivePerformanceModule

```csharp
event PerformanceModeEventHandler PerformanceModeEvent
```