---
title: IOUSBHostCIMessageControlValid
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 11.0+]
path: kernel/3612503-anonymous/iousbhostcimessagecontrolvalid
---

# IOUSBHostCIMessageControlValid

## Declaration

```occ
IOUSBHostCIMessageControlValid = IOUSBBit(15)
```