The AddDateTime() adds a period (h hours - default - or m minutes or s seconds) to a date and returns it as a result.
AddDateTime('Date', 'quantity', 'identifier')
AddDateTime('2014-12-15 01:00:00', '10' )
return 2014-12-15 11:00:00
AddDateTime('2014-12-15 01:00:00', '10', 'h' )
return 2014-12-15 11:00:00
AddDateTime('2014-12-15 01:00:00', '10', 'm' )
return 2014-12-15 01:10:00
AddDateTime(ActualDateTime("yyyy-MM-ddTHH:mm:ss"), '120', 'h' )
Now plus 120 hours
AddDateTime('1970-01-01', '1729691829', 's' )
Converts a Unix DateTime value into a date value