---
title: setSubunitPlugSignalFormat
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iofirewireavctargetspace/1571583-setsubunitplugsignalformat
---

# setSubunitPlugSignalFormat

## Declaration

```occ
virtual IOReturn setSubunitPlugSignalFormat(IOFireWireAVCProtocolUserClient *userClient, UInt32 subunitTypeAndID, IOFWAVCPlugTypes plugType, UInt32 plugNum, UInt32 signalFormat);
```