---
title: transform3D
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uicollectionviewlayoutattributes/transform3d
---

# transform3D

The 3D transform of the item.

## Declaration

```swift
var transform3D: CATransform3D { get set }
```

## Discussion

Discussion Assigning a value to this property replaces the value in the transform property with an affine version of the 3D transform you specify.

## 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)
- [transform](uikit/uicollectionviewlayoutattributes/transform.md)
- [alpha](uikit/uicollectionviewlayoutattributes/alpha.md)
- [zIndex](uikit/uicollectionviewlayoutattributes/zindex.md)
- [isHidden](uikit/uicollectionviewlayoutattributes/ishidden.md)