---
title: iokit_usb_msg
framework: IOKit
role: symbol
role_heading: Macro
platforms: [Mac Catalyst 13.0+, macOS 10.1+]
path: iokit/iokit_usb_msg
---

# iokit_usb_msg

## Declaration

```occ
#define iokit_usb_msg(message)
```

## Discussion

Discussion Messages specific to the IOUSBFamily. Note that the iokit_usb_msg(x) translates to 0xe0004xxx, where xxx is the value in parenthesis as a hex number.

## See Also

### UNKNOWN OBJECT 

- [iokit_usb_err](iokit/iokit_usb_err.md)