I am need on retrieve user uaditing on oracle forms and reports 11g

I have oracle forms and reports application with custom login form

I have have various type of user in my database

in middle of my application ( after 3 sequenece ) form1 (login form) calls form 2  then secnd form calls form3

In the form 4 I have button and according to user loged in I want call 3 type of forms

if user test call form 1

if user test 1 call form 2

if user test 3 call form 3

I need pl sql code when button pressed for the case user logged in call form1 another user log in  call form2

Any help would be appreciated