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# CTFontManagerCreateFontDescriptorsFromData(_:)

Creates an array of font descriptors for the fonts in the supplied data.

```
func CTFontManagerCreateFontDescriptorsFromData(_ data: CFData) -> CFArray
```

## Parameters

`data`

The font data.

## Return Value

An array of font descriptors.

## Discussion

This is the preferred function when the data contains a font collection (TTC or OTC). This function returns an empty array in the event of invalid or unsupported font data.

> Note:
> The font descriptors are not available through font descriptor matching. As a result, you can’t directly look for the fonts by name with functions like ``doc://com.apple.coretext/documentation/CoreText/CTFontCreateWithName(_:_:_:)``. If you wish to make the font available for name matching, use ``doc://com.apple.coretext/documentation/CoreText/CTFontManagerRegisterFontURLs(_:_:_:_:)`` instead.

## See Also

[`CTFontManagerCreateFontDescriptorFromData`](/documentation/CoreText/CTFontManagerCreateFontDescriptorFromData(_:))

Creates a font descriptor representing the font in the supplied data.

[`CTFontManagerRegisterFontURLs`](/documentation/CoreText/CTFontManagerRegisterFontURLs(_:_:_:_:))

Registers fonts from the specified font URLs with the font manager.


---

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