---
title: NSFontAction.addTraitFontAction
framework: appkit
role: symbol
role_heading: Case
path: appkit/nsfontaction/addtraitfontaction
---

# NSFontAction.addTraitFontAction

Converts the font to have an additional trait using convert(_:toHaveTrait:).

## Declaration

```swift
case addTraitFontAction
```

## See Also

### Constants

- [NSFontAction.noFontChangeAction](appkit/nsfontaction/nofontchangeaction.md)
- [NSFontAction.viaPanelFontAction](appkit/nsfontaction/viapanelfontaction.md)
- [NSFontAction.sizeUpFontAction](appkit/nsfontaction/sizeupfontaction.md)
- [NSFontAction.sizeDownFontAction](appkit/nsfontaction/sizedownfontaction.md)
- [NSFontAction.heavierFontAction](appkit/nsfontaction/heavierfontaction.md)
- [NSFontAction.lighterFontAction](appkit/nsfontaction/lighterfontaction.md)
- [NSFontAction.removeTraitFontAction](appkit/nsfontaction/removetraitfontaction.md)