Got a denial letter for unemployment, what now? after 15 years as a home health aide

I got a denial letter last week saying I left my job voluntarily, but I was let go as a home health aide. It has been a long 10 weeks. The letter lists a deadline and a hearing process, but it is hard to follow. Did you bring documents or only talk?

I printed my emails in order and wrote a one-page timeline. The hearing officer kept going back to it.