How can I edit and extend the Member List database ?

I need to extend the Member List data base with some additional information for each user. Is this possible and how can I do this ? Secondly are there any existing API’s that allow me to access (read and write to) this Member List database ?

How are you implementing your members dashboard? using code or the Wix members option?

you will need to use code code for doing this. This article will guide you step by step