To prevent users from turning off or deleting a subscription to a notification, make
the notification mandatory.
Open the appropriate notification.
Configure the form and add the Mandatory field. This
field does not display by default.
Click the context menu icon () and select
Using the slushbucket, select the Mandatory
field and the order in which you want the field to appear.
Select the Mandatory check box.
That notification is locked in user notification preferences, preventing the
user from removing or unsubscribing to the notification, filtering it, or
changing the schedule. In the user's notification preferences, the control
button for the mandatory notification is on and is read only.