# lastActiveSceneViewChanged

> Register to this callback to get notified when the active Scene View changes.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.5/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public static Action<SceneView, SceneView> lastActiveSceneViewChanged
```

### Remarks

The callback will be called with a reference to the previously active Scene View and the newly active Scene View.