---
title: displayPrimary_X
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.13.4+]
path: iokit/iofbhdrmetadatav1/2937834-displayprimary_x
---

# displayPrimary_X

## Declaration

```occ
uint16_t displayPrimary_X;
```