Trew Soda Liquid in a Parked Car at a Market is That Illegal

few days ago i went to the market and i was waiting a guy that was almost leaving the spot and another car came and took the that spot that i was waiting for and i told the guy that i was waiting for that spot and he just insulted me and went inside the market i get mad and i threw all my soda liquid to his car
someone knows that if is that illegal in california ?

Trew Soda Liquid in a Parked Car at a Market is That Illegal