% % close message listener % |A "exit.exit" "A" pop @Customr Url.! false !CloudA.Exists '"B" pop' wec( |B "exit.exit" "B" pop @Customr Url.! false !CloudB.Exists '"C" pop' wec( |C "exit.exit" "C" pop @Customr Url.! false !CloudC.Exists '"D" pop' wec( |D "exit.exit" "D" pop dup log# @Customr Url.! false !CloudD.Exists %%%*extender( *custendt( |E