For the original poster (OP) to fill in:
Scheduled event ending time reminder ,can be a good feature for editors and broadcasting managers.
If they can check a box which can activates the reminder feature and then choose a date, time from the picker which is available only for the time range between start and end time of the event. Notifications can be created and emailed to the people those who needs it.
We are having some issues that people who are working in campaign scheduling, forget to add a new design or replay the content in certain situations.
For the dev team to fill in:
The current status and the username of the:
A broad description of the changes required.
Which parts of Xibo are effected
DB Schema Changes
Any necessary DB Schema Changes