<!--
{
  "availability" : [
    "iOS: 18.0.0 -",
    "iPadOS: 18.0.0 -",
    "macCatalyst: 18.0.0 -",
    "visionOS: 2.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "UIKit",
  "identifier" : "/documentation/UIKit/UITabBarController/Sidebar-swift.class/Delegate-swift.protocol/tabBarController(_:sidebar:trailingSwipeActionsConfigurationFor:)",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "UIKit"
    ],
    "preciseIdentifier" : "c:objc(pl)UITabBarControllerSidebarDelegate(im)tabBarController:sidebar:trailingSwipeActionsConfigurationForTab:"
  },
  "title" : "tabBarController(_:sidebar:trailingSwipeActionsConfigurationFor:)"
}
-->

# tabBarController(_:sidebar:trailingSwipeActionsConfigurationFor:)

Called when the sidebar is about to show trailing swipe actions for a particular tab.
Return either a UISwipeActionsConfiguration object or nil if this tab does not show swipe actions.

```
optional func tabBarController(_ tabBarController: UITabBarController, sidebar: UITabBarController.Sidebar, trailingSwipeActionsConfigurationFor tab: UITab) -> UISwipeActionsConfiguration?
```

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)