Siebel Standard interactivity application has inherent “Disabilities”, Like No implicit save, No Good User Interface, No Browser scripting etc..
Just as a workaround for the users to get a promt that they have not saved the record, there is a Setting that can be done.
The Parameter name is : EnableSIDataLossWarning
Setting this to TRUE will show a prompt like :
You Have unsaved changes”. Do you wish to continue?
This parameter EnableSIDataLossWarning is set in the cfg file for 8.0.x and earlier version, but it is set at the server component level in 8.1.x and later.
This can be disabled in few applets by setting the user property:
Applet User Properties > DisableDataLossWarning.