little town tutorial updating code to most recent version

Hello! I was following along the Little Town tutorial which is out of date of the 2.3 update. I read up on the changes in here and I still don't quite understand what I need to do to update the script prompt control. I updated the ; break; parts everywhere they were so far in the tutorials but I'm struggling with unknown object variables.
The code error I get when I run the game and go up to an npc is attached to this post, as well as screenshots of the lines it's having problems with...

little town tutorial updating code to most recent version