# ShowTerrainLayersSelectionHelper(Terrain, int)

> Helper function to show the layer selection window for selecting terrain layers in inspector.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
public static int ShowTerrainLayersSelectionHelper(Terrain terrain, int activeTerrainLayer)
```

### Parameters

**** (\[Terrain]\(/engine/6000.3/script-reference/unityengine/terrain)): Terrain tile.**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): Currently selected terrain layer index.

### Returns

| Type                                                       | Description                         |
| ---------------------------------------------------------- | ----------------------------------- |
| [int](https://learn.microsoft.com/dotnet/api/system.int32) | Newly selected terrain layer index. |