API script to Enable the Disabled Responsibilities for a User

/* Formatted on 6/24/2014 12:33:31 PM (QP5 v5.115.810.9015) */
DECLARE
   --cursor to get all inactive users
   CURSOR cur_inactive_user
   IS
      SELECT fu.user_id,
             fd.responsibility_id,
             fd.responsibility_application_id,
             fd.security_group_id,
             fd.start_date,
             fd.end_date
      FROM fnd_user fu, fnd_user_resp_groups_direct fd
      WHERE fu.user_id = fd.user_id AND fu.user_id = :p_user_id;
BEGIN
   FOR rec_inactive_user IN cur_inactive_user
   LOOP
      fnd_user_resp_groups_api.update_assignment (user_id => rec_inactive_user.user_id,
                                                  responsibility_id => rec_inactive_user.responsibility_id,
                                                  responsibility_application_id => rec_inactive_user.responsibility_application_id,
                                                  security_group_id => rec_inactive_user.security_group_id,
                                                  start_date => rec_inactive_user.start_date,
                                                  end_date => NULL,
                                                  description => NULL
      );
      COMMIT;
   END LOOP;
END;