1e90cc78_cation_Types___Blackboard_Help_Notification_Types_Module
[Events] Announcement Available [Recipients] Course instructors and students [Important] No [Description] Issued when an announcement is created. If the instructor chooses to override user notification settings when creating the announcement, the notification will ignore any user settings that may preclude its delivery and will be delivered immediately. [Module] 
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Notification Types - Blackboard Help