# layoutChanged

> Subscribe to this event to be notified when the Layout property is modified.

## Definition

* **Type:** Event
* **Namespace:** [UnityEditor.Overlays](/engine/6000.3/script-reference/unityeditor/overlays.md)
* **Assembly:** UnityEditor

```csharp
public event Action<Layout> layoutChanged
```

### Remarks

This is commonly used to apply styling changes based on the active layout.