---
title: SCSICmdField4Byte
framework: IOKit
role: symbol
role_heading: Type Alias
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/scsicmdfield4byte
---

# SCSICmdField4Byte

## Declaration

```occ
typedef UInt32 SCSICmdField4Byte;
```