Problem With Level Change

I can't Get The Level To Change, what trigger should I be using I'm doing an RPG Campaign and I want to Be able to be able to move back and forth between maps I'm using the Save Game And Change Level But It doesn't change, It just pulls up the Main Menu Again, I guess I really Don't know what I'm doing, how do I make it so I can change levels?

EDIT: nvm I figured it out