---
title: RESPONSE_DATA_FORMAT
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [driverkit 22.0+, Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/scsicmd_inquiry_standarddata/1572816-response_data_format
---

# RESPONSE_DATA_FORMAT

## Declaration

```occ
UInt8 RESPONSE_DATA_FORMAT;
```