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# setHidesBackButton(_:animated:)

Hides or shows the Back button, optionally animating the transition.

```
func setHidesBackButton(_ hidesBackButton: Bool, animated: Bool)
```

## Parameters

`hidesBackButton`

Specify <doc://com.apple.documentation/documentation/Swift/true> if the Back button should be hidden when this navigation item is the top item. Specify <doc://com.apple.documentation/documentation/Swift/false> if the Back button should be visible, assuming it hasn’t been replaced by a custom item.

`animated`

<doc://com.apple.documentation/documentation/Swift/true> to animate the transition; otherwise, <doc://com.apple.documentation/documentation/Swift/false>.

## See Also

[`backItem`](/documentation/UIKit/UINavigationBar/backItem)

The navigation item that is immediately below the topmost item on a navigation bar’s stack.


---

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