How can I find whether given an Appian calendar exists or not?

Question

Let's say, I have created a new Appian Calendar and named as 'Calendar 2017' with my organization's holidays configured in it. Now, I just want check whether that Calendar exists or not in an environment. If the calendar doesn't exist then I should be able to use the Default calendar. How can I achieve that? 
 Thank you!

Alok Patro · Answer

You can navigate to the Designer Portal and go the System tab. Under the System Tab you have the process calender. So you can see if the calender exists or had been removed/deleted.

Carlos Santander · Answer

Probably your best bet is to make use of CalendarService.getCalendarsPaging()