---
title: auxiliaryButtons
framework: gamecontroller
role: symbol
role_heading: Instance Property
path: gamecontroller/gcmouseinput/auxiliarybuttons
---

# auxiliaryButtons

The optional additional buttons on the mouse.

## Declaration

```swift
var auxiliaryButtons: [GCControllerButtonInput]? { get }
```

## Discussion

Discussion If the mouse doesn’t have additional buttons, this property is nil.

## See Also

### Accessing Buttons

- [leftButton](gamecontroller/gcmouseinput/leftbutton.md)
- [rightButton](gamecontroller/gcmouseinput/rightbutton.md)
- [middleButton](gamecontroller/gcmouseinput/middlebutton.md)