Alright, I'm going to explain this very specifically:
1. Place a door brick. Name it "door".
2. Place a button brick.
3. Hit the door with the wrench.
4. Where it says
Oncontentstarted | Self | contentstopchange the value on the far left to 5000. Delete or disable event 0, which says
OnActivate | Self | contentstart5. Close the event menu.
6. Hit the button with the wrench.
7. Add
Oncontentstarted | NAMED BRICK | contentstart
door