Action Identifiers
These constants are the predefined action identifiers used by Action(forkey:), Add(_:forkey:), Defaultaction(forkey:), Removeanimation(forkey:), Layer Filters, and the Caaction protocol method Run(forkey:object:arguments:).
These constants are the predefined action identifiers used by Action(forkey:), Add(_:forkey:), Defaultaction(forkey:), Removeanimation(forkey:), Layer Filters, and the Caaction protocol method Run(forkey:object:arguments:).