---
title: UITraitEnvironmentLayoutDirection.unspecified
framework: uikit
role: symbol
role_heading: Case
path: uikit/uitraitenvironmentlayoutdirection/unspecified
---

# UITraitEnvironmentLayoutDirection.unspecified

An unknown layout direction.

## Declaration

```swift
case unspecified
```

## See Also

### Constants

- [UITraitEnvironmentLayoutDirection.leftToRight](uikit/uitraitenvironmentlayoutdirection/lefttoright.md)
- [UITraitEnvironmentLayoutDirection.rightToLeft](uikit/uitraitenvironmentlayoutdirection/righttoleft.md)