---
title: rzoneNumberLSB
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.2+]
path: iokit/dvdrzoneinfo/1393960-rzonenumberlsb
---

# rzoneNumberLSB

## Declaration

```occ
UInt8 rzoneNumberLSB;
```