Update User Profile
This action allows you to setup some actions so that the users can update their profile information. It is a very useful option when your site has an intranet section. Update User Profile options:
Allow password update
If there's a password field on the form, the module will also update the password for the current user.
Also update Display Name with in this drop down list you can select a corresponding field which were previously added as data source and which will be called when the buttons action is executed.