---
title: "init(widthDimension:heightDimension:)"
framework: uikit
role: symbol
role_heading: Initializer
path: "uikit/nscollectionlayoutsize/init(widthdimension:heightdimension:)"
---

# init(widthDimension:heightDimension:)

Creates a size with the specified width and height dimensions.

## Declaration

```swift
convenience init(widthDimension width: NSCollectionLayoutDimension, heightDimension height: NSCollectionLayoutDimension)
```