# sourceAlphaBlendMode

> Blend factor used for the alpha (A) channel of the source.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.Rendering](/engine/6000.5/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public BlendMode sourceAlphaBlendMode { get; set; }
```

### Remarks

Additional Resources: ShaderLab: Blending.