Which option in the notification, that can be predefined in a catalog does the planner use?

The planner must add an activity to a notification which must be executed in the future .

Which option in the notification, that can be predefined in a catalog does the planner use? choose 1 answer
A . an activity in the notification item
B . a task in the notification header
C . a text in the notification item
D . a text in the subject long text screen

Answer: B