reference:scripting_reference:scripting_events:onscheduledtimer

The OnScheduledTimer event can be implemented by a script add-in to have Opus call your script at when a specific date/time is reached. The DOpus.SetScheduledTimer method can be used to create timers, and your OnScheduledTimer method will be called at most one time for each timer you create.

Method Name: OnScheduledTimer

Argument Type:

ScheduledTimerData 

Return Type:

none

Description:

The id property indicates which timer your method is being called for.