---
title: kIOMediumOptionFlag1
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1645757-anonymous/kiomediumoptionflag1
---

# kIOMediumOptionFlag1

## Declaration

```occ
kIOMediumOptionFlag1 = IFM_FLAG1
```