---
title: NSExpansionAttributeName
framework: appkit
role: symbol
role_heading: Global Variable
path: appkit/nsexpansionattributename
---

# NSExpansionAttributeName

The expansion factor of the text.

## Declaration

```occ
extern NSAttributedStringKey NSExpansionAttributeName;
```

## Discussion

Discussion The value of this attribute is an NSNumber object containing a floating point value indicating the log of the expansion factor to be applied to glyphs. The default value is 0, indicating no expansion.

## See Also

### Deprecated keys

- [NSAccessibilityAttachmentTextAttribute](appkit/nsaccessibilityattachmenttextattribute.md)
- [NSObliquenessAttributeName](appkit/nsobliquenessattributename.md)
- [NSVerticalGlyphFormAttributeName](appkit/nsverticalglyphformattributename.md)
- [NSCharacterShapeAttributeName](appkit/nscharactershapeattributename.md)
- [NSUsesScreenFontsDocumentAttribute](appkit/nsusesscreenfontsdocumentattribute.md)