---
title: DESIGNATION_DESCRIPTOR
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [driverkit 22.0+, Mac Catalyst 13.0+, macOS 10.12+]
path: iokit/scsicmd_inquiry_pageb2_provisioning_group_descriptor/1792067-designation_descriptor
---

# DESIGNATION_DESCRIPTOR

## Declaration

```occ
UInt8 DESIGNATION_DESCRIPTOR[20];
```