The Diving Board is a prop and also has a script that can be used in conjunction.
This prop can be animated by entering divingboard_ani into the state tab. This will make the board jump up and down as if someone is on the diving board.
You can further animate this, by creating a second diving board prop on top of the animated one at the same coordinates. Then make this prop invisible and trigger. Then go to the script tab and add the Diving Board script. Then make the viable diving board you placed earlier collidable and position it 1 point lower. Now when any user interacts with this prop by standing on top of the collidable they will automatically be launched up in the air.