Interact with NPC HELP!

[twbp 0]

trying to interact with the auction house with quest editor. but the interact with npc isnt helping me, i just want to talk to the auction house to open the auction window.

 

please help

[Jensen- 25]

var position = new Vector3(-1210.21f, 94.8587f, 134.453f);
int npcEntryId = 8674; 

wManager.Wow.Bot.Tasks.GoToTask.ToPositionAndIntecractWithNpc(position, npcEntryId);