---
title: bMaxStreams
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.8+]
path: iokit/iousbendpointproperties/1425739-bmaxstreams
---

# bMaxStreams

For SuperSpeed bulk endpoints, maximum number of streams this endpoint supports.

## Declaration

```occ
UInt8 bMaxStreams;
```