# groupingID

> Grouping ID for auto connect.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.TerrainModule

```csharp
public int groupingID { get; set; }
```

### Remarks

Terrain tiles that share a grouping ID are automatically connected together.