A function added by MWSE.
xAddSpell is a wrapper for the original AddSpell to take variables.
ref->xAddSpell spellid (string) count (long)
long pcRef Setx pcRef to xGetRef "Player" pcRef->xAddSpell "frostbite" 1
xInventoryxNextStackxContentListxAddItemxRemoveItemxHasItemEquippedxEquipxDropxRemoveSpell