Group Options
The group-options can be any of the following:
BELL

rings the bell, sounds the alarm, or causes the speaker at your workstation to beep when the window is displayed.

NOINPUT

requests that the group be displayed with all the fields protected so that no data entry can be done.

REPEAT

specifies that the group be repeated for each element of the matrices specified as field-operands. See the section Repeating Fields.