Portal 2 Beta map Pack? I Guess addon

put maps, model, materials, and scripts to portal2 folder and put sdk_content in Portal 2 folder (not portal2 folder like this portal2) then put pak01_dir in bin the move it to vpk.exe then make portal2_dlc3 folder and the pak01_dir vpk move it too portal2_dlc3 folder and there go to console and there put map sp_demo_betapack.bsp