<!--
{
  "availability" : [
    "macOS: -"
  ],
  "documentType" : "symbol",
  "framework" : "AppKit",
  "identifier" : "/documentation/AppKit/NSFontFamilyClassMask",
  "metadataVersion" : "0.1.0",
  "role" : "Global Variable",
  "symbol" : {
    "kind" : "Global Variable",
    "modules" : [
      "AppKit"
    ],
    "preciseIdentifier" : "c:@Ea@NSFontFamilyClassMask@NSFontFamilyClassMask"
  },
  "title" : "NSFontFamilyClassMask"
}
-->

# NSFontFamilyClassMask

Constant you use to access `NSFontFamilyClass` values in the upper four bits of `NSFontSymbolicTraits`.

```
var NSFontFamilyClassMask: UInt32 { get }
```

## Discussion

The font family class mask you use to access `NSFontFamilyClass` values.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)