DECLARE
  l_display_name      WF_ROLES.display_name%TYPE;
  l_email_address     WF_ROLES.email_address%TYPE;
  l_notification_pref WF_ROLES.notification_preference%TYPE;
  l_language          WF_ROLES.language%TYPE;
  l_territory         WF_ROLES.territory%TYPE;
  l_module            VARCHAR2(100);
  l_role              WF_ROLES.name%TYPE := '&role';
BEGIN

  WF_DIRECTORY.getRoleInfo ( role                    => l_role
                           , display_name            => l_display_name
                           , email_address           => l_email_address
                           , notification_preference => l_notification_pref
                           , language                => l_language
                           , territory               => l_territory );

  IF l_display_name IS NULL THEN
    dbms_output.put_line('Role is invalid');
  ELSE
    dbms_output.put_line('Role is valid');
  END IF;
  
END;
/