# buildProgress

> Returns the current lightmapping build progress or 0 if Lightmapping.isRunning is false.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor](/engine/6000.0/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
public static float buildProgress { get; }
```

### Remarks

The returned range is 0 to 1.