Try something like this..
Pb_sv_task 10 600 "pb_sv_bindsrch +movedown"
Pb_sv_task 30 600 "pb_sv_bindsrch +leanleft"
Pb_sv_task 50 600 "pb_sv_bindsrch +leanright"Put that into your pbsvuser.cfg and restart PB on your server. You'll have to have PBB var logging on, then go through your PB log files and look for what it finds.. It will find all the keys/binds with those values in them :)