Method checkEvent

codebase/dhtmlxscheduler.es.d.ts:1676–1676

* checks whether an event has some handler(s) specified * @param name the event's name

(name: SchedulerEventName)

	 * @param name the event's name
	*/
	checkEvent(name: SchedulerEventName): boolean;

	/**
	 * checks whether an event resides in a timespan of a specific type