Modify the imsld_email_data (***), add a reference to imsld_notifications table from imsld_on_completion, imsld_thens and imsld_view_set_properties table (***). Next is shown the E-R diagram that adds Level C
imsld_notifications
notification_id
choice_id - references imsld_notifications_choice
subject
imsld_notification_emails_data_map
notification_id - references imsld_notifications
email_data_id - references imsld_email_data
imsld_notifications_choice
choice_id
learning_activity_id - references imsld_learning_activities
support_activity_id - references imsld_support_activities