---
title: kIOUSBDeviceRequestDirectionValueOut
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousbdevicerequestdirectionvalue/kiousbdevicerequestdirectionvalueout
---

# kIOUSBDeviceRequestDirectionValueOut

The output direction value.

## Declaration

```occ
kIOUSBDeviceRequestDirectionValueOut = 0
```