---
title: createAsyncPHYCommand
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iofirewirecontroller/1457165-createasyncphycommand
---

# createAsyncPHYCommand

## Declaration

```occ
IOFWAsyncPHYCommand * createAsyncPHYCommand(UInt32 generation, UInt32 data1, UInt32 data2, FWAsyncPHYCallback completion, void *refcon, bool failOnReset);
```