The image shows the Human Task editor. On the left are the following links from top to bottom: General, Data, Assignment, Presentation, Deadlines, Notification (selected), Access, and Events.
This image shows the General tab of the Notification section. Add and Delete icons display in the upper right. A table with three columns displays below:
Task Status (with entries for Assign, Complete, and Error)
Recipient (with entries for Assignees, Initiator, and Owner)
Notification Header (with an icon for accessing a dialog to specify the message)