How to be a good dominatrix?

my guy is into and wants me to be his mistress (dominatrix) the idea really excites me but ive never done it before, well ive done little bits like strapping him to the bed andwhips and that but i want to do a major slave session so i was looking for some tips to really get him going, im open for anything dont hold back i really really wanna map out a whole night of amazing domineering but i really dont know where to start any help will be appreciated.