# movableGroupWithCustomizationIdentifier:representativeItem:items: Creates a movable group that a person can move but can’t remove from the navigation bar during layout customization. ``` + (UIBarButtonItemGroup *) movableGroupWithCustomizationIdentifier:(NSString *) customizationIdentifier representativeItem:(UIBarButtonItem *) representativeItem items:(NSArray *) items; ``` ## Parameters `customizationIdentifier` A unique string to identify the group for navigation bar layout customization. `representativeItem` The item to display for the group when space is constrained. `items` The items to include in the group. --- Copyright © 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)