---
title: dev
framework: endpointsecurity
role: symbol
role_heading: Instance Property
path: endpointsecurity/es_event_pty_close_t/dev
---

# dev

The major and minor numbers of the device.

## Declaration

```swift
var dev: dev_t
```

## See Also

### Inspecting Event Properties

- [reserved](endpointsecurity/es_event_pty_close_t/reserved.md)