---
title: kIOUSBEndpointDirectionIn
framework: usbdriverkit
role: symbol
role_heading: Enumeration Case
path: usbdriverkit/tiousbendpointdirection/kiousbendpointdirectionin
---

# kIOUSBEndpointDirectionIn

Data flows from the device into the driver.

## Declaration

```occ
kIOUSBEndpointDirectionIn
```

## See Also

### Getting the Endpoint Direction

- [kIOUSBEndpointDirectionOut](usbdriverkit/tiousbendpointdirection/kiousbendpointdirectionout.md)
- [kIOUSBEndpointDirectionUnknown](usbdriverkit/tiousbendpointdirection/kiousbendpointdirectionunknown.md)