Do you not have the icon in the toolbar that looks like the one attached?
or the option under Insert > WebAssist > Surveyor > Submit Site Map
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.