Help with making a script for a dodge ball

I am a little new to lua scripting I have bin watching the dev king, but i wanted to make a script for a dodge ball so you can throw it and it causes damage I have no clue on where to start. I do have the throw animation but wanted to make the reload animation similar to superdoomspires but i dont know how to animate the character and the ball together like in the video below ,if you guys have any articles or videos that can help me with make the ball script and the animation please send them