# realtimeLightmapIndex

> The index of the realtime lightmap applied to this terrain.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.TerrainModule

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

### Remarks

Additional Resources: [Renderer.realtimeLightmapIndex](/engine/6000.0/script-reference/unityengine/renderer/realtimelightmapindex.md).