How do i train my pony?

so im getting my first pony and i love her so much she is about 9 years old and i want to brake her to ride i now how to saddle and bridle brake her but i need to now how to brake her to ride and what training tack do i need? i kinda now how to brake her to ride but i need help from a experienced person so please no beginners i have already gained her trust and i have hoped on her bare back. im a really good rider with a lot of experienced. i want a step by step answer