How to make AI jump vertical in Z-Axis

I make my main character jump on a platform without colliding with the bottom but then once the platform landed it collided and then walked on it, but I can not make it the same thing do the AI ​​because it does not jump in any way vertically, I think it is a problem of navigation map, someone can help me?
As a reference I take the game Bubble Bobble, where the enemies jump vertically, I would like to have an AI effect like that

Thanks for all!