---
title: GetBusMicroFrameNumber
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.14+]
path: iokit/iousbdeviceinterface942/2977146-getbusmicroframenumber
---

# GetBusMicroFrameNumber

## Declaration

```occ
IOReturn (*GetBusMicroFrameNumber)(void *self, UInt64 *microFrame, AbsoluteTime *atTime);
```