The number of minutes to wait between checking the appointments
list.
+appt-disp-window-function
+ Function called to display appointment window. You can customize
+ appt.el by setting this variable to a function different from the
+ one provided with this package.
+
+appt-delete-window-function
+ Function called to remove appointment window and buffer. You can
+ customize appt.el by setting this variable to a function different
+ from the one provided with this package.
+
This function is run from the loadst process for display time.
Therefore, you need to have `(display-time)' in your .emacs file."