1) Edit bebot/scripts/vent.txt and add the Ventrilo info there
2) Edit bebot/scripts/script.lst and add:
<a href='chatcmd:///tell <botname> <pre>script vent'>Ventrilo</a>
3) Create a comalias for your script:
!comalias add vent script vent
With all that in order, you can now type in guild-chat: !vent