Child custody question in california?

My ex and I were in court a few months ago. I was awarded primary custody. We were both present without attorneys. The judge ordered that my ex file and serve a response by June 3rd. I was not served with anything. The judge also ordered that I prepare the actual order and file it. I did so that same day. It was signed by the judge 2 days later. Am I responsible to serve my ex with a copy. The judge never said I had to, just to prepare it and file it. I'm concerned because my ex never responded even though she was in court and was told by the judge to respond by the deadline. She was given the judge's minutes(the judge's notes that I used to prepare the order). In the minutes it clearly states that she was to respond by June 3rd. So again, was I supposed to serve her with a copy? She has a legal right to obtain a copy for herself at the courthouse.