# Lightmapping.InputExtractionFunction

> Delegate used by InputExtraction callback. This can be used to modify the BakeInput in order to customize baking.

## Definition

* **Type:** Delegate
* **Namespace:** [UnityEditor](/engine/6000.6/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public delegate void Lightmapping.InputExtractionFunction(InputExtraction.BakeInput bakeInput)
```