---
title: kIOReportQuantityUndefined
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [driverkit 24.4+, macOS 10.12+]
path: kernel/1643665-anonymous/kioreportquantityundefined
---

# kIOReportQuantityUndefined

## Declaration

```occ
kIOReportQuantityUndefined = 0
```