Can you help me I want my character attack animation

I want to make my character
attack animations
that is to say; with the C # make an animation occurs.
also another that makes when you touch the hand or object
the enemy will remove a percentage of life plz
both script and I can not learn only
put the script to attack this: if (input.GetKeyDown (KeyCode .__)

3rd Person Controller + Fly Mode | Systems | Unity Asset Store Might help with aiming.