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# kCTFontVariationAttribute

The dictionary of font variation.

```
let kCTFontVariationAttribute: CFString
```

## Discussion

If specified in a font descriptor, fonts with the specified axes are primary match candidates; if no such fonts exist, this attribute is ignored.

The value associated with this key is a <doc://com.apple.documentation/documentation/CoreFoundation/CFDictionary> object.

---

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