---
title: usbControllers
framework: virtualization
role: symbol
role_heading: Instance Property
path: virtualization/vzvirtualmachine/usbcontrollers
---

# usbControllers

The list of runtime USB controller objects.

## Declaration

```swift
var usbControllers: [VZUSBController] { get }
```

## Discussion

Discussion Return an empty array if there isn’t a configured controller USB.

## See Also

### Configuring VM attributes at runtime

- [consoleDevices](virtualization/vzvirtualmachine/consoledevices.md)
- [memoryBalloonDevices](virtualization/vzvirtualmachine/memoryballoondevices.md)
- [networkDevices](virtualization/vzvirtualmachine/networkdevices.md)
- [socketDevices](virtualization/vzvirtualmachine/socketdevices.md)
- [directorySharingDevices](virtualization/vzvirtualmachine/directorysharingdevices.md)