# mappedPhysicalInputNames(forElementAlias:) Returns the physical input elements to which the user remaps the given input element. ``` func mappedPhysicalInputNames(forElementAlias elementAlias: String) -> Set ``` ## Parameters `elementAlias` The name of the input element too which physical input elements remap. For possible values, see [Extended gamepad input names](/documentation/GameController/extended-gamepad-input-names). ## Return Value The names of the physical input element to which the user remaps the given element. ## Discussion For example, if the user maps a physical press of A button , B button, and X button to button B, then passing [`GCInputButtonB`](/documentation/GameController/GCInputButtonB-6z361) returns a set that contains [`GCInputButtonA`](/documentation/GameController/GCInputButtonA-8z15w), [`GCInputButtonB`](/documentation/GameController/GCInputButtonB-6z361), and [`GCInputButtonX`](/documentation/GameController/GCInputButtonX-32i2z). --- 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)