Which configuration informs a user by email when an assignment is added to the user's...

To configure notification via email when an assignment is added to a user's worklist, the appropriate option is:

C. Configure a service level to send a notification to the assigned user. This configuration leverages the service level settings associated with an assignment to trigger an email notification when the assignment becomes active in the user's worklist. It ensures timely alerts are sent to users about new tasks, enhancing workflow efficiency.