One of the facilities available through Watchlist functionality is the ability to define the information that users would like to be notified eg. the information about the outstanding tasks, customers who have just exceeded the credit limit,
a list of overdue receivables, etc. Watchlist provides a convenient way of communicating this information and their scope can be easily configured by the user.

More about this topic you will learn by reading the document available at the following link (only for registered users)
https://support.oracle.com/epmos/faces/DocumentDisplay?_afrLoop=289402004075947&id=1563736.1&_afrWindowMode=0&_adf.ctrl-state=by4pb8v38_92