# alphaSource

> Select how the alpha of the imported texture is generated.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor](/engine/6000.7/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public TextureImporterAlphaSource alphaSource { get; set; }
```

### Remarks

Additional Resources: [TextureImporterAlphaSource](/engine/6000.7/script-reference/unityeditor/textureimporteralphasource.md).