---
title: kDisplayVendorIDUnknown
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/1505632-anonymous/kdisplayvendoridunknown
---

# kDisplayVendorIDUnknown

## Declaration

```occ
kDisplayVendorIDUnknown = 'unkn'
```