---
title: getSubunitPlugSignalFormat
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iofirewireavctargetspace/1571599-getsubunitplugsignalformat
---

# getSubunitPlugSignalFormat

## Declaration

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