The first appointment

So my doctor did listen to me (shocker) and they prioritized the autism assessment over the ADHD diagnosis like I told them to. Anyway today I’m going in for the first out of three appointments and they said it’s just a consultation. I don’t know really what I can expect and I’m a bit nervous because I’m going with my father who doesn’t know much about me, id say.. Will my father have to answer questions or will I? He barely even knows my birthday. 😵‍💫