To check multiple guests into a single room,
check in the first guest.
Click the check box next to the left of the same room again,
and the share room link becomes enabled.
Click the share room link.
Enter the information for the second guest.
Click check in to save the guest information.
The second guest is now assigned to that room as well.
Each guest has their own record.
Repeat these steps for every additional guest sharing
that room.