EKAlarm
A class that represents an alarm.
Declaration
class EKAlarmOverview
An EKAlarm object represents an alarm in Event Kit. Use the init(absoluteDate:) and init(relativeOffset:) class methods to create an alarm and use the properties to set information about an alarm. In macOS Mountain Lion, you can specify an action to trigger when the alarm fires via the emailAddress, soundName, or url property.