---
title: Device Request Type
framework: IOKit
role: containerSymbol
role_heading: Enumeration
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/1425052-device_request_type
---

# Device Request Type

## Declaration

```occ
enum : unsigned int {
    ...
};
```

## Topics

### Constants

- [kUSBClass](1425052-device_request_type/kusbclass.md)
- [kUSBStandard](1425052-device_request_type/kusbstandard.md)
- [kUSBVendor](1425052-device_request_type/kusbvendor.md)