---
title: lastTrackNumberInLastSessionLSB
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.1+]
path: iokit/cddiscinfo/1584217-lasttracknumberinlastsessionlsb
---

# lastTrackNumberInLastSessionLSB

## Declaration

```occ
UInt8 lastTrackNumberInLastSessionLSB;
```