The rooming list is a convenient tool that gives you an easy way not only to have a big and complete picture of your group but also to update several of the guest information all in one place, like room number and guest(s) names.
Path: Front Office > Group > Search > Open the Group > Rooming List (top tabs)
From the bottom of the page, click on "Print Rooming List". The Rooming List will include the arrival date, room type and number, the confirmation number, the guest name and any comments added to the reservation.