---
title: alpha
framework: Compute Graph
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: computegraph/computenodegraph/swizzlechannels/alpha
---

# alpha

## Declaration

```swift
var alpha: ComputeNodeGraph.SwizzleChannels.Swizzle
```