---
title: performClientOutput
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioaudioengineuserclient/1495603-performclientoutput
---

# performClientOutput

## Declaration

```occ
virtual IOReturn performClientOutput(UInt32 firstSampleFrame, UInt32 loopCount, IOAudioClientBufferSet *bufferSet, UInt32 sampleIntervalHi, UInt32 sampleIntervalLo);
```