event adding

    EKEventStore *eventDB = [[EKEventStore alloc] init];
    EKEvent *myEvent = [EKEvent eventWithEventStore:eventDB];
    myEvent.title = titleString;
    myEvent.startDate = alarmDate;
    myEvent.endDate = alarmDate;
    myEvent.allDay = NO;

    EKAlarm *alarm = [EKAlarm alarmWithRelativeOffset:-60];
    myEvent.alarms = [NSArray arrayWithObject:alarm];

    [myEvent setCalendar:[eventDB defaultCalendarForNewEvents]];
    NSError *err;
    [eventDB saveEvent:myEvent span:EKSpanThisEvent error:&err];