---
title: onScrollDown
framework: swiftui
role: symbol
role_heading: Type Property
path: swiftui/tabbarminimizebehavior/onscrolldown
---

# onScrollDown

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

## Declaration

```swift
static let onScrollDown: TabBarMinimizeBehavior
```