# ApplyDelayedHeightmapModification()

> Update the terrain's LOD and vegetation information after making changes with TerrainData.SetHeightsDelayLOD.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.TerrainModule

> **Warning:**
>
> **Deprecated.** Use TerrainData.SyncHeightmap to notify all Terrain instances using the TerrainData.

```csharp
public void ApplyDelayedHeightmapModification()
```