---
title: kCDSectorAreaHeader
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/cdsectorarea/kcdsectorareaheader
---

# kCDSectorAreaHeader

## Declaration

```occ
kCDSectorAreaHeader = 0x20
```