---
title: onScrollUp
framework: swiftui
role: symbol
role_heading: Type Property
path: swiftui/tabbarminimizebehavior/onscrollup
---

# onScrollUp

Minimize the tab bar when upwards scrolling starts. Minimizing is supported for tab bars on only iPhone.

## Declaration

```swift
static let onScrollUp: TabBarMinimizeBehavior
```