---
title: allocateChannelBegin
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iofwisochchannel/1393036-allocatechannelbegin
---

# allocateChannelBegin

## Declaration

```occ
IOReturn allocateChannelBegin(IOFWSpeed speed, UInt64 allowedChans, UInt32 *channel);
```