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# toolbarMinimizationBehavior(_:for:)

Sets the minimize behavior for the specified bars.

```
nonisolated func toolbarMinimizationBehavior(_ behavior: ToolbarMinimizationBehavior, for bars: ToolbarPlacement...) -> some View
```

## Parameters

`behavior`

The minimize behavior.

`bars`

The bars to apply the behavior to.

## Discussion

Use this modifier to enable toolbar minimization in response to
scrolling. The supported placement is
[`navigationBar`](/documentation/SwiftUI/ToolbarPlacement/navigationBar).
When the navigation bar minimizes, an integrated top tab bar will
also minimize.

By default, the safe area adjusts as the navigation bar minimizes.
Use [`toolbarMinimizationSafeAreaAdjustment(_:for:)`](/documentation/SwiftUI/View/toolbarMinimizationSafeAreaAdjustment(_:for:)) to customize
this.

```
NavigationStack {
    ScrollView {
        ForEach(0 ..< 50) { index in
            Text("\(index)").padding()
        }
    }
    .navigationTitle("Minimizing Title")
    .toolbarMinimizationBehavior(.onScrollDown, for: .navigationBar)
}
```

---

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