get reminder() {}
set reminder(value) {}

var p = MindFusion.Scheduling;

var item = new p.Item();   
item.startTime = p.DateTime.addMinutes(date, 2);
item.endTime = p.DateTime.addHours(item.startTime, 2);
item.subject = "GYM";

var reminder = new p.Reminder();
reminder.message = "Speaking of the " + item.subject + ", go!!";
reminder.type = p.ReminderType.Leading;
reminder.timeInterval = p.TimeSpan.fromMinutes(1);
item.reminder = reminder;