# SetConnectivityDirty()

> Marks the current connectivity status as invalid.

## Definition

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

```csharp
public static void SetConnectivityDirty()
```

### Remarks

Use this method after adding / removing terrain tiles to inform the terrain that the connectivity needs to be rebuilt.