Tying a Resource to an Event

Go to Calendars > Events Table.
Edit the Event you want to tie the Resource to.
Open the Manage Resource Reservations related tab.
Click the New button.
Select or add the correct Resource you want to tie to the event.
Click the Save and Back button.
From the Manage Resource Reservations related tab select the Resource you just tied to this event, and click the Manage Reservations for Selected Resource button.
Check the checkbox for every Occurrence of the Event you want the Resource tied to (click the Add resource to all unchecked future occurrences button to check all Occurrences at once).

Click Save.