---
title: alpha
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nscollectionlayoutvisibleitem/alpha
---

# alpha

The transparency of the item.

## Declaration

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

## See Also

### Configuring appearance

- [isHidden](appkit/nscollectionlayoutvisibleitem/ishidden.md)