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# Autoadjustment Keys

Constants used as keys in the options dictionary for the [`autoAdjustmentFilters(options:)`](/documentation/CoreImage/CIImage/autoAdjustmentFilters(options:)) method.

## Topics

### Constants

[`enhance`](/documentation/CoreImage/CIImageAutoAdjustmentOption/enhance)

A key used to specify whether to return enhancement filters.

[`redEye`](/documentation/CoreImage/CIImageAutoAdjustmentOption/redEye)

A key used to specify whether to return a red eye filter.

[`features`](/documentation/CoreImage/CIImageAutoAdjustmentOption/features)

A key used to specify an array of features that you want to apply enhancement and red eye filters to.

[`crop`](/documentation/CoreImage/CIImageAutoAdjustmentOption/crop)

A key used to specify whether to return a filter that crops the image to focus on detected features.

[`level`](/documentation/CoreImage/CIImageAutoAdjustmentOption/level)

A key used to specify whether to return a filter that rotates the image to keep a level perspective.


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