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

# HIDUsage.EyeAndHeadTrackersUsage.positionX

## Declaration

```swift
case positionX
```