A function added by MWSE.
xIsTrainer returns a 1 if the NPC/creature is a Trainer and 0 otherwise.
trainer (long): ref->xIsTrainer
long npcRef long result Setx npcRef to xGetRef "npc" Setx result to npcRef->xIsTrainer
xIsFemalexIsTraderxIsProviderxGetServicexSetServicexModServicexGetBaseGoldxGetGoldxSetBaseGoldxSetGold