Create a Login Inside Aras

Hello!   This is my first topic and I am from Spain so sorry if my english is not good.   I am trying to replicate the login inside Aras with a method but I cannot make it because when I make an applyAML() of the User Table to get the username and the pasword in MD5 the password is not show. Also if I trying the same with an applySQL() I need more permissions (root I think) to make it to get the password from the User table.   How can I get what I want? Best regards, Jose