Method that saves an appointment to the database.

If the appointment was instantiated without an ID, it is created in the database, otherwise it is changed.

SAVE_ALL_FOLLOWING_TOO

Only for periodic appointments. Specifies whether all individual instances of the periodic appointment are to be changed. You should normally set this parameter to "X".

SEND_INVITATION

An invitation is to be sent by mail to participants. A machine-readable attachment in iCalendar format is appended to the textual mail for external participants (for example, Internet addresses).

NO_CREATION

The appointment could not be created again on the database. For more information, see the MESSAGE variables.

NO_MODIFY

The appointment could not be changed on the database. For more information, see the MESSAGE variables.