How do you find out Morph ID?

I have tried to use the regular ID of the NPC but it doesnt work. I will look in commands just in case. Thanks.

mean how to find out the display id of an npc? so you can morph into him? if dats wat u asking just do

.npc info

it'll tell you all the info about that npc. just scroll up to where it says display id and your good

Thank you for the answer :D i thank you much.