---
title: prominentButtonAppearance
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uitoolbarappearance/prominentbuttonappearance
---

# prominentButtonAppearance

The appearance attributes for Prominent buttons.

## Declaration

```swift
@NSCopying var prominentButtonAppearance: UIBarButtonItemAppearance { get set }
```

## Discussion

Discussion Use this property to configure the appearance of bar button items that use UIBarButtonItemStyleProminent. If the navigation bar doesn’t have any buttons using this style, this property has no effect.

## See Also

### Configuring bar button items

- [buttonAppearance](uikit/uitoolbarappearance/buttonappearance.md)