I need help with WowPacketParser

I have clone WowPacketParser and i have compile it in relase but I don’t know how to sniff a opcode, i need a guide.

PLZ HELP ME ! /emoticons/default_sad.png

If you have to ask you do not need WPP /emoticons/default_smile.png

No, i need a guide to use WPP

PLZ HELP ME ! /emoticons/default_sad.png