---
title: systemTraitsAffectingVerticalBarEdge
framework: UIKit
role: symbol
role_heading: Type Property
platforms: [iOS 27.1+, iPadOS 27.1+]
path: uikit/uitraitcollection/systemtraitsaffectingverticalbaredge-475st
---

# systemTraitsAffectingVerticalBarEdge

The system traits that affect the value of verticalBarEdge.

## Declaration

```swift
static var systemTraitsAffectingVerticalBarEdge: [UITrait] { get }
```

## Discussion

Discussion Pass this array to registerForTraitChanges(_:handler:) to be notified when the vertical bar edge changes. Note that it is possible for the actual edge to be the same even if the traits affecting the vertical bar edge themselves may have changed.

## See Also

### Getting related traits

- [systemTraitsAffectingColorAppearance](uikit/uitraitcollection/systemtraitsaffectingcolorappearance-64z7q.md)
- [systemTraitsAffectingImageLookup](uikit/uitraitcollection/systemtraitsaffectingimagelookup-4jv5.md)