That's pretty ambiguous. There is 1000's of online resources I could point you to.
I would start by writing out the following:
Why are we creating this role?
What are we trying to accomplish (both quantitative and qualitative)?
Why are we trying to accomplish this?
What disciplines or proficiencies do we need to excel in the above why and what?
Only then would I go to market and see what the market is doing? I would try to start at the top. What are the best customer sucess organizations doing? What is their why and what is their what? Saving Changes...