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# CTFontDescriptorCreateCopyWithVariation(_:_:_:)

Creates a copy of the original font descriptor with a new variation instance.

```
func CTFontDescriptorCreateCopyWithVariation(_ original: CTFontDescriptor, _ variationIdentifier: CFNumber, _ variationValue: CGFloat) -> CTFontDescriptor
```

## Parameters

`original`

The original font descriptor.

`variationIdentifier`

The variation axis identifier. This is the four-character code of the variation axis as a CFNumber object.

`variationValue`

The value corresponding with the variation instance.

## Return Value

A copy of the original font descriptor with a new variation instance.

## Discussion

This is a convenience method for easily creating new variation font instances.

---

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