---
title: IOUSBHostCIMessageControlValid
framework: iousbhost
role: symbol
role_heading: Global Variable
path: iousbhost/iousbhostcimessagecontrolvalid
---

# IOUSBHostCIMessageControlValid

## Declaration

```swift
var IOUSBHostCIMessageControlValid: Int { get }
```

## See Also

### Constants

- [IOUSBHostCIMessageControlNoResponse](iousbhost/iousbhostcimessagecontrolnoresponse.md)
- [IOUSBHostCIMessageControlStatus](iousbhost/iousbhostcimessagecontrolstatus.md)
- [IOUSBHostCIMessageControlStatusPhase](iousbhost/iousbhostcimessagecontrolstatusphase.md)
- [IOUSBHostCIMessageControlType](iousbhost/iousbhostcimessagecontroltype.md)
- [IOUSBHostCIMessageControlTypePhase](iousbhost/iousbhostcimessagecontroltypephase.md)