BBot - The best bot of the world

Hello. I have one litte question how to make in bbot to buy pots with backpack in cavebot?
Thanks REPUTATION FOR ANSWER!

Wiki: http://wiki.bmega.net/doku.php?id=trade_types
Tutorials: http://forums.bmega.net/forumdisplay.php?fid=3

I want answer no wiki, or link for forum -.-

Don't be lazy, do a search!

I don't have answer omg , tell me or get the fuck out from here.

Do macro for this in macro editor.