# sceneListChanged

> A delegate called whenever EditorBuildSettings.scenes is set.

## Definition

* **Type:** Event
* **Namespace:** [UnityEditor](/engine/6000.0/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
public static event Action sceneListChanged
```

### Remarks

Used by any system that needs to be aware of updates to the Scenes list.  Is only called if the Scenes array actually changes.