Go to > Portals > SiteMinderRDX.
Set the portal to active, then get the relevant Product Code from SiteMinder and place it in the "SiteMinderRDX Product Code" field.
Click on the checkboxes next to the rooms you want to connect to SiteMinder, and then hit the "Save Changes" button.
Note: Upon initial connection to SiteMinder, you will need to perform an update of each; Rates/Minimum Stays/Availability. After this, any changes made in ResBook will automatically update SiteMinder