ResBook allows you to update Rates, Minimum Stays and Availability for SiteMinder.
Go to ResBook > Settings > Portals > SiteMinderRDX
Scroll down to the "Update" button and click on it. A small pop up menu will appear.
Select the option you want to update. Another pop-up will appear at the top of your screen, to which you click "OK". (Please ensure that you have disabled your Pop-Up Blocker).
NOTE: Siteminder will update automatically Inventory only. If you wish to update Minimum nights and Rates on Siteminder via ResBook, you will need to push the "Update" button as per above each time that you make a change in rates/minimum night stays on ResBook.