---
title: alpha
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uicollectionviewlayoutattributes/alpha
---

# alpha

The transparency of the item.

## Declaration

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

## Discussion

Discussion Possible values are between 0.0 (transparent) and 1.0 (opaque). The default is 1.0.

## See Also

### Accessing the layout attributes

- [frame](uikit/uicollectionviewlayoutattributes/frame.md)
- [bounds](uikit/uicollectionviewlayoutattributes/bounds.md)
- [center](uikit/uicollectionviewlayoutattributes/center.md)
- [size](uikit/uicollectionviewlayoutattributes/size.md)
- [transform3D](uikit/uicollectionviewlayoutattributes/transform3d.md)
- [transform](uikit/uicollectionviewlayoutattributes/transform.md)
- [zIndex](uikit/uicollectionviewlayoutattributes/zindex.md)
- [isHidden](uikit/uicollectionviewlayoutattributes/ishidden.md)