---
title: displayPrimary_Y0
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.13.4+]
path: iokit/iofbhdrmetadatav1/2937883-displayprimary_y0
---

# displayPrimary_Y0

## Declaration

```occ
uint16_t displayPrimary_Y0;
```