---
title: heightDimension
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nscollectionlayoutsize/heightdimension
---

# heightDimension

The height dimension of an item in a collection view layout.

## Declaration

```swift
var heightDimension: NSCollectionLayoutDimension { get }
```

## See Also

### Getting the width and height

- [widthDimension](appkit/nscollectionlayoutsize/widthdimension.md)