# FormatSwizzleA

> The channel specified contains alpha.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.3/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
FormatSwizzleA = 3
```

### Remarks

When querying a specific channel for a graphics format, returns this enum when the channel contains alpha. Additional Resources: [GraphicsFormatUtility.GetSwizzleA](/engine/6000.3/script-reference/unityengine/experimental/rendering/graphicsformatutility/getswizzlea.md).