---
title: bEndpointNumber
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.8+]
path: iokit/iousbendpointproperties/1426375-bendpointnumber
---

# bEndpointNumber

Used as an input for GetEndpointPropertiesV3. Used as an output for GetPipePropertiesV3

## Declaration

```occ
UInt8 bEndpointNumber;
```