---
title: HIDUsage.EyeAndHeadTrackersUsage.displayProductID
framework: corehid
role: symbol
role_heading: Case
path: corehid/hidusage/eyeandheadtrackersusage/displayproductid
---

# HIDUsage.EyeAndHeadTrackersUsage.displayProductID

## Declaration

```swift
case displayProductID
```