You can follow the steps below to set up this feature:

1. Enable the feature at the Web Booking Setup page under the Settings section
   
   
   
2. Select the Rate Groups that you would like to show on the calendar. Open the Rate Details window in the Rate Setup page. Select the “RACK/BAR(WEB)” as the Rate Type. Only Rate Groups that have their Rate Type set as this will be taken into the calculation of finding the lowest rates on the calendar.