How to add a coborrower to quicken loans?

I am applying right now and the only option to add someone to the loan process is if you say yes you are married.

I am purchasing with my mom and plan to live together. Does anyone have experience in adding another person without having to call quicken loans? I want to add her name + financial information to the loan at this point in the process so that our credit gets pulled at the same time etc.

Read more: How to add a coborrower to quicken loans?