Create a new Event Sheet for the Trampoline
Create a group for the Bounce code.
When the Player collides with the Trampoline
AND the Player is above the Trampoline
Send the Player upwards by 900 pixels by changing the Y vector
Play the Jump animation of the Trampoline
Create a group for the Reset to Idle code.
When the Trampolines' Jump animation has finished playing.
Set the current animation to Idle for the Trampoline.