---
title: registerClientBuffer64
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioaudioengineuserclient/1495522-registerclientbuffer64
---

# registerClientBuffer64

## Declaration

```occ
virtual IOReturn registerClientBuffer64(IOAudioStream *audioStream, mach_vm_address_t sourceBuffer, UInt32 bufSizeInBytes, UInt32 bufferSetID);
```