---
title: NSLayoutConstraint.Orientation.horizontal
framework: appkit
role: symbol
role_heading: Case
path: appkit/nslayoutconstraint/orientation/horizontal
---

# NSLayoutConstraint.Orientation.horizontal

The constraint orientation applied to laying out the horizontal relationship between objects.

## Declaration

```swift
case horizontal
```

## See Also

### Constants

- [NSLayoutConstraint.Orientation.vertical](appkit/nslayoutconstraint/orientation/vertical.md)