---
title: preferredCornerRadius
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uisheetpresentationcontroller/preferredcornerradius-3mb5
---

# preferredCornerRadius

The corner radius that the sheet attempts to present with.

## Declaration

```swift
@MainActor @preconcurrency var preferredCornerRadius: CGFloat? { get set }
```

## Discussion

Discussion The default value is nil. This property only has an effect when the sheet is at the front of its sheet stack.

## See Also

### Managing the appearance

- [prefersGrabberVisible](uikit/uisheetpresentationcontroller/prefersgrabbervisible.md)
- [prefersPageSizing](uikit/uisheetpresentationcontroller/preferspagesizing.md)
- [prefersEdgeAttachedInCompactHeight](uikit/uisheetpresentationcontroller/prefersedgeattachedincompactheight.md)
- [widthFollowsPreferredContentSizeWhenEdgeAttached](uikit/uisheetpresentationcontroller/widthfollowspreferredcontentsizewhenedgeattached.md)