How to specific disable dates in Javascript Calendar

Suite and Optimus Suite 6
#1

I am using Javascript Calendar. I have an object containing some specific dates and I want to disable them. I tried looking about it in docs but couldn’t find anything. Can you help me?
It’s urgent

#2

Documentation:
https://docs.dhtmlx.com/suite/calendar__configuring.html#disableddates
Sample:
https://docs.dhtmlx.com/suite/samples/calendar/04_customization/04_disabled_dates.html