---
title: kIOHIDProductIDKey
framework: IOKit
role: symbol
role_heading: Macro
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/kiohidproductidkey
---

# kIOHIDProductIDKey

A key for specifying the product identifier of the device.

## Declaration

```occ
#define kIOHIDProductIDKey
```

## Discussion

The value of this key is the numerical ID that the manufacturer assigned to the device. 

## See Also

### Manufacturer Keys

- [kIOHIDTransportKey](kiohidtransportkey.md)
- [kIOHIDVendorIDKey](kiohidvendoridkey.md)
- [kIOHIDVersionNumberKey](kiohidversionnumberkey.md)
- [kIOHIDManufacturerKey](kiohidmanufacturerkey.md)
- [kIOHIDProductKey](kiohidproductkey.md)
- [kIOHIDSerialNumberKey](kiohidserialnumberkey.md)