---
title: UIVerticalBarCompressionBehavior.automatic
framework: UIKit
role: symbol
role_heading: Case
platforms: [iOS 27.1+, iPadOS 27.1+]
path: uikit/uiverticalbarcompressionbehavior/automatic
---

# UIVerticalBarCompressionBehavior.automatic

The automatic compression behavior.

## Declaration

```swift
case automatic
```

## Discussion

Discussion On iOS, this behavior prefers the tab bar.

## See Also

### Specifying a compression behavior

- [UIVerticalBarCompressionBehavior.prefersBarItems](uikit/uiverticalbarcompressionbehavior/prefersbaritems.md)
- [UIVerticalBarCompressionBehavior.prefersTabBar](uikit/uiverticalbarcompressionbehavior/preferstabbar.md)