Blueprints: Refrencing on object spawn in scene

I have been working on a simple AI, and I wanted to be able to spawn the ai and have it still work. I cant seem to find how on the internet, so any help would be appreciated
(Note: This is in the level blueprint)

Also, another thing, when it spawns the dimensions reset to 1,1,1 when I changed them to 1.5,1.5,0.5