I am trying to make a quest with a dialogue option that will initiate an npc to have combat with the player. I thought it would be relatively simple, so I type in StartCombat(Game.GetPlayer()) in the end Script section of the Topic Info window. However when I try to compile this it says that Start Combat is not a function or does not exist. This is probably a very easy fix that I'm missing, but any help help would be appreciated.

You need to tell it who you are starting combat on. If it's the person who says the dialogue line, simple do:

akSpeaker.StartCombat(Game.GetPlayer())

If it's someone else you'll have to set up a property for them.

Oh, wow I knew it was a simple fix. Thanks!