---
title: UIUserInterfaceIdiom.unspecified
framework: uikit
role: symbol
role_heading: Case
path: uikit/uiuserinterfaceidiom/unspecified
---

# UIUserInterfaceIdiom.unspecified

An unspecified idiom.

## Declaration

```swift
case unspecified
```

## Discussion

Discussion Used when an object has a trait collection, but it isn’t in an environment yet. For example, a view that’s created, but not put into a view hierarchy.

## See Also

### Idioms

- [UIUserInterfaceIdiom.phone](uikit/uiuserinterfaceidiom/phone.md)
- [UIUserInterfaceIdiom.pad](uikit/uiuserinterfaceidiom/pad.md)
- [UIUserInterfaceIdiom.tv](uikit/uiuserinterfaceidiom/tv.md)
- [UIUserInterfaceIdiom.carPlay](uikit/uiuserinterfaceidiom/carplay.md)
- [UIUserInterfaceIdiom.mac](uikit/uiuserinterfaceidiom/mac.md)
- [UIUserInterfaceIdiom.vision](uikit/uiuserinterfaceidiom/vision.md)