---
title: SCSICmdField7Byte
framework: IOKit
role: symbol
role_heading: Type Alias
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: iokit/scsicmdfield7byte
---

# SCSICmdField7Byte

## Declaration

```occ
typedef UInt64 SCSICmdField7Byte;
```