---
title: IOUSBHostCIPortCapabilitiesMessageControlPortNumber
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 11.0+]
path: kernel/3612505-anonymous/iousbhostciportcapabilitiesmessagecontrolportnumber
---

# IOUSBHostCIPortCapabilitiesMessageControlPortNumber

## Declaration

```occ
IOUSBHostCIPortCapabilitiesMessageControlPortNumber = IOUSBBitRange(16, 19)
```