Want to be dominatrix/mistress

Not sure if there is already an open thread for this, but I need help!
The guy I'm talking to is really into bondage. I'm not vanilla, but haven't really ventured into the world of bondage.
He asked me to dress as a dominatrix, so got a black corset and stockings and chain choker. Have a ball gag I've just purchased from here.
He wants me to talk dirty and I go through things I know like the basic you'll be tied up and whatever. But he wants hardcore, but doesn't tell me what he likes so I don't know what to say to turn him on!
So I'm stuck. I want to learn more and get into it I'll try anything a few times ;) but just don't know where to start. Don't want to google anything in case it puts me off!
Please help! Thanks!!

If you type in dominatrix in the search bar then choose sex talk & tips there is a list of threads . Here's one I found not sure if it answers your questions.

https://www.lovehoney.co.uk/community/forums/lovehoney-news/sex-tips-and-talk/623788-help-with-becoming-a-dominatrix/

Either way this post will be bumped and someone may be able to help you.
Good luck x

Thanks guys you've been so helpful! I'm going to check out the thread now. <3