---
title: reserved
framework: endpointsecurity
role: symbol
role_heading: Instance Property
path: endpointsecurity/es_event_iokit_open_t/reserved
---

# reserved

An unused field reserved for future use.

## Declaration

```swift
var reserved: (UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8)
```

## See Also

### Inspecting Event Properties

- [user_client_class](endpointsecurity/es_event_iokit_open_t/user_client_class.md)
- [user_client_type](endpointsecurity/es_event_iokit_open_t/user_client_type.md)