Question no : 837 PM Notification Configuration understanding

PLM315 Maintenance Processing: Operational Functions
Unit 03 Notification

Follow-up activities can be set as defaults for each notification type in Customizing. You can execute these follow-up activities simply by pressing the relevant pushbutton. The follow-up activity is documented either as an activity or a task in the notification header once it has been successfully executed. Which is the function you use to customize for this requirement ?
(only one answer)

(A) Remote Function Call.
(B) Function Modules.
(C) Mail Box.
(D) Function Group.

(E) Action Box.

.