---
title: kIOUSBDeviceRequestDirectionMask
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousbdevicerequest/kiousbdevicerequestdirectionmask
---

# kIOUSBDeviceRequestDirectionMask

The direction mask.

## Declaration

```occ
kIOUSBDeviceRequestDirectionMask = IOUSBBit(7)
```