Adding custom edits to scene window

I don't know if the title make sense or not. What I am trying to do is to set the enemy's path. I will be setting up and starting position and an ending position. So when I start the game, it will traverse between the 2 points. What I am doing now is having 2 public Vector3s in my enemy script so I can edit them in the inspector. I figured it would be easier if I can just drag those points in the scene window instead. How do i achieve that?