How can I do an register form in Modx Revolution?

Hello Modx community.
I want do an register form and it save in a data base of Modx Revolution.
I don't find tutorials of it.

I attachment an picture.

Thank you all.
Luis.

The Login extra comes with a registration snippet.
http://rtfm.modx.com/extras/revo/login/login.register

What are users registering for?
You can also use Formit for web forms.

You can also use the Subscribe extra, which will set up the various registration resources, forms, and snippets for you using the parts of the Login package (Register, ConfirmRegister, etc.).

Hello Eladnova.

I want register an content in the data base and after recover it and show in the web.

Thank you.