---
title: axisBehavior
framework: UIKit
role: symbol
role_heading: Instance Property
platforms: [iOS 27.1+, iPadOS 27.1+]
path: uikit/uibarbuttonitem/axisbehavior-swift.property
---

# axisBehavior

The bar axis behavior of the item.

## Declaration

```swift
var axisBehavior: UIBarButtonItem.AxisBehavior { get set }
```

## Discussion

Discussion The default value is UIBarButtonItemAxisBehaviorAutomatic.

## See Also

### Customizing placement in a toolbar

- [hidesSharedBackground](uikit/uibarbuttonitem/hidessharedbackground.md)
- [sharesBackground](uikit/uibarbuttonitem/sharesbackground.md)
- [UIBarButtonItem.AxisBehavior](uikit/uibarbuttonitem/axisbehavior-swift.enum.md)