---
title: userInterfaceIdiom
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uitraitcollection/userinterfaceidiom
---

# userInterfaceIdiom

The user interface idiom of the trait collection.

## Declaration

```swift
var userInterfaceIdiom: UIUserInterfaceIdiom { get }
```

## Mentioned in

Choosing a user interface idiom for your Mac app

## Discussion

Discussion The default user interface idiom for a trait collection is UIUserInterfaceIdiom.unspecified.

## See Also

### Retrieving interface-related traits

- [userInterfaceStyle](uikit/uitraitcollection/userinterfacestyle.md)
- [UIUserInterfaceStyle](uikit/uiuserinterfacestyle.md)
- [UIUserInterfaceIdiom](uikit/uiuserinterfaceidiom.md)
- [userInterfaceLevel](uikit/uitraitcollection/userinterfacelevel.md)
- [UIUserInterfaceLevel](uikit/uiuserinterfacelevel.md)
- [layoutDirection](uikit/uitraitcollection/layoutdirection.md)
- [UITraitEnvironmentLayoutDirection](uikit/uitraitenvironmentlayoutdirection.md)
- [resolvesNaturalAlignmentWithBaseWritingDirection](uikit/uitraitcollection/resolvesnaturalalignmentwithbasewritingdirection-58wlh.md)
- [accessibilityContrast](uikit/uitraitcollection/accessibilitycontrast.md)
- [UIAccessibilityContrast](uikit/uiaccessibilitycontrast.md)
- [legibilityWeight](uikit/uitraitcollection/legibilityweight.md)
- [UILegibilityWeight](uikit/uilegibilityweight.md)
- [activeAppearance](uikit/uitraitcollection/activeappearance.md)
- [UIUserInterfaceActiveAppearance](uikit/uiuserinterfaceactiveappearance.md)
- [toolbarItemPresentationSize](uikit/uitraitcollection/toolbaritempresentationsize.md)