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  "title" : "Font Variation Axis Dictionary Keys"
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# Font Variation Axis Dictionary Keys

These constants provide keys to font variation axis dictionary values.

## Topics

### Constants

[`let kCTFontVariationAxisIdentifierKey: CFString`](/documentation/CoreText/kCTFontVariationAxisIdentifierKey)

Key to get the variation axis identifier.

[`let kCTFontVariationAxisMinimumValueKey: CFString`](/documentation/CoreText/kCTFontVariationAxisMinimumValueKey)

Key to get the variation axis minimum value.

[`let kCTFontVariationAxisMaximumValueKey: CFString`](/documentation/CoreText/kCTFontVariationAxisMaximumValueKey)

Key to get the variation axis maximum value.

[`let kCTFontVariationAxisDefaultValueKey: CFString`](/documentation/CoreText/kCTFontVariationAxisDefaultValueKey)

Key to get the variation axis default value.

[`let kCTFontVariationAxisNameKey: CFString`](/documentation/CoreText/kCTFontVariationAxisNameKey)

Key to get the localized variation axis name string.

[`let kCTFontVariationAxisHiddenKey: CFString`](/documentation/CoreText/kCTFontVariationAxisHiddenKey)

The key to find out if the axis is hidden.


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