---
title: UIUserInterfaceLevel.base
framework: uikit
role: symbol
role_heading: Case
path: uikit/uiuserinterfacelevel/base
---

# UIUserInterfaceLevel.base

The level for your window’s main content.

## Declaration

```swift
case base
```

## See Also

### Interface levels

- [UIUserInterfaceLevel.unspecified](uikit/uiuserinterfacelevel/unspecified.md)
- [UIUserInterfaceLevel.elevated](uikit/uiuserinterfacelevel/elevated.md)