---
title: alpha
framework: metalperformanceshaders
role: symbol
role_heading: Instance Property
path: metalperformanceshaders/mpscnnnormalizationnode/alpha
---

# alpha

## Declaration

```swift
var alpha: Float { get set }
```

## See Also

### Instance Properties

- [beta](metalperformanceshaders/mpscnnnormalizationnode/beta.md)
- [delta](metalperformanceshaders/mpscnnnormalizationnode/delta.md)