---
title: THRESHOLD_EXPONENT
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [driverkit 22.0+, Mac Catalyst 13.0+, macOS 10.12+]
path: iokit/scsicmd_inquiry_pageb2_data/1792080-threshold_exponent
---

# THRESHOLD_EXPONENT

## Declaration

```occ
UInt8 THRESHOLD_EXPONENT;
```