Installation

In Blender go to Edit -> Preferences -> Add-ons tab, press Install and select trickshots.zip.

Tutorial

Please read the full manual. And here's just a small example of scenario, written in Python:

def scenario():
    set_vel('ball', var3(-10, 10))
    yield hit('ball', 'box1')
    yield hit('ball', 'box2')
    yield hit('ball', 'box3')

solve(scenario)