1e90cc78_cation_Types___Blackboard_Help_Notification_Types_Module
[Events] Gradable Item Past Due [Recipients] Course students and instructors [Important] Yes [Description] An item represented by a column in the Grade Center is overdue. The column must have a due date to generate this notification. Assignments and tests will not generate this notification even if they have columns in the Grade Center. [Module] 
What's Due Alerts
Notification Types - Blackboard Help