# IFilterBuildAssemblies

> Implement this interface to receive a callback to filter assemblies away from the build.

## Definition

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

```csharp
public interface IFilterBuildAssemblies : IOrderedCallback
```

## Remarks

For more information about build callbacks, refer to [Use build callbacks](/engine/6000.3/manual/building-and-publishing/build-customize-build-pipeline/build-callbacks.md).

## Methods

| Method                                                                                                               | Description                                                                                                            |
| -------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| [OnFilterAssemblies](/engine/6000.3/script-reference/unityeditor/build/ifilterbuildassemblies/onfilterassemblies.md) | Will be called after building script assemblies, but makes it possible to filter away unwanted scripts to be included. |

## Inheritance

**Inherited Members:**

* [IOrderedCallback.callbackOrder](/engine/6000.3/script-reference/unityeditor/build/iorderedcallback/callbackorder.md)