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# Delegate sfUnityEventDispatcher.TerrainTreeChangedCallback

Namespace: [KS.SceneFusion.Client.Unity.Editor](/scene-fusion/api-reference/ks.scenefusion.client.unity.editor.md)\
Assembly: KSUnity-Source.dll

Terrain tree change event handler.

```csharp
public delegate void sfUnityEventDispatcher.TerrainTreeChangedCallback(TerrainData terrainData, bool hasRemovals)
```

#### Parameters

`terrainData` TerrainData

terrainData whose trees changed.

`hasRemovals` bool

true if trees were removed. Trees may have also been added when this is true.