---
title: performClientIO
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioaudioengineuserclient/1495550-performclientio
---

# performClientIO

## Declaration

```occ
virtual IOReturn performClientIO(UInt32 firstSampleFrame, UInt32 loopCount, bool inputIO, UInt32 bufferSetID, UInt32 sampleIntervalHi, UInt32 sampleIntervalLo);
```