---
title: kev_class
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.9+]
path: kernel/kev_msg/1446923-kev_class
---

# kev_class

The event's class.

## Declaration

```occ
u_int32_t kev_class;
```

## See Also

### Fields

- [vendor_code](kernel/kev_msg/1446947-vendor_code.md)
- [dv](kernel/kev_msg/1446996-dv.md)