I have a scheduling system, that is used to schedule multiple courses events. To each event students and resources (instructors) are assigned.

I would like to provide email notification to resources upon allocation, event time change, students assignments X days prior event start date. Also sending the students notifications upon changes

The problem that I am facing and trying to solve is that the users potentially can receive multiple notifications (Schedulers can make bulk changes to the schedule which will cause sending multiple notification (one per event)).

I thought about sending one message for all events but I think that sending a message that says your schedule has been changed instead of providing detailed and focus info like what has changed will have no value to the user.

Has anyone had to deal.with a similar problem?