---
title: firstRZoneNumberInLastBorderMSB
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/dvddiscinfo/1564459-firstrzonenumberinlastbordermsb
---

# firstRZoneNumberInLastBorderMSB

## Declaration

```occ
UInt8 firstRZoneNumberInLastBorderMSB;
```