---
title: controllerInterface
framework: IOUSBHost
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 14.0+, macOS 10.15+]
path: iousbhost/iousbhostcicontrollerstatemachine/controllerinterface
---

# controllerInterface

## Declaration

```swift
var controllerInterface: IOUSBHostControllerInterface { get }
```

## See Also

### Instance Properties

- [controllerState](iousbhost/iousbhostcicontrollerstatemachine/controllerstate.md)