Motorola P-7131N-FGR Product Reference Manual page 547

AP7131N>admin(system.userdb.group> add
Description:
Adds a user to an existing group.
Syntax:
add <userid> <group> Adds a user <userid> to an existing group <group>.
Example:
admin(system.userdb.group>add lucy group x
admin(system.userdb.group>
For information on configuring User Database permissions using the applet (GUI), see
6-67.
Defining User Access Permissions by Group on page
8-215
CLI Reference