How do i give NPC's Spells?

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Hey, Im trying to give NPC's there spells. And im starting with Doomlord Kazzak

I dont know how
I do

!npc addagent

but i dont know how to do it from there, Could some one help?

Im trying to add the Shadow Spell Berserk.

addAgent: .npc addAgent <agent> <procEvent> <procChance> <procCount> <spellId> <spellType> <spelltargetType> <spellCooldown> <floatMisc1> <Misc2>
delAgent: .npc delAgent <procEvent> <spellId>

PLEASE HELP.