You need to be an admin to add events to the grid.

1. Once you login navigate to the grid you want to add event and click on the cell in that grid where you want to add the time.
   
2. If you would like to choose a range to add an event over, then simply drag your mouse cursor over that range horizontally.
3. Once you choose the individual cell or range of cells you want to add an event on you should press the "Add Event" button which should become active in the Grid Navigation.
4. Click this button and a drop-down will be displayed showing all your events.
5. Choose the event you want to add from the drop-down options.
6. The event should now be added to the grid.