The following code sets a PARAMETER to be a password input field, where for security purposes only *'s are displayed on the screen during input
i.e. Password: *******
Parameters: p_passw like sy-uname. ******************************************************* *AT SELECTION-SCREEN OUTPUT. AT SELECTION-SCREEN OUTPUT. loop at screen. check screen-name eq 'P_PASSW'. move: 1 to screen-invisible. modify screen. endloop.