95684eae_r_System_Administrator_s_Guide__Description
[Type] EXTRA_REMINDER [Arg 1] Specifies how many minutes before the event that the reminder should be sent. [Arg 2] Specifies other reminder-specific options. The following options are available: $EXTRA_REMINDER_WITH_DATE $EXTRA_REMINDER_WITH_OFFSET $EXTRA_REMINDER_DEFAULT_YES If more than one option is needed, they should be or-ed together with the | character. [Description] 
Allows the user to specify if a reminder should be sent out for the event
WebCalendar System Administrator's Guide
Description