From the Navigation Bar, select Bookings, select Reservations, and then select Manage Reservation.
Search for and select the reservation.
In the Reservation overview section, click Show All, and then select Shares.
Select the ribbon, and then select Create New Share.
Enter the profile name or search for a guest profile.
Select the number of adults, children, begin and end date, and reservation type.
Enter a payment method (such as cash, credit card, and so on).
Click Save.
Select either the existing rate (the current rate for all guests on the reservation) or the proposed rate (an updated rate for all guests on the reservation). If available, use the Custom Split for Shares functionality to customize the rate for each sharer, and then click Continue.
Exit the Shares screen when all shares have been added to the reservation