
admin:group-copy( $config as element(configuration), $group-id as xs:unsignedLong, $group-name as xs:string ) as element(configuration)
This function creates a new group specification with the same settings as the group with the specified ID. The new group configuration will have the specified name.
http://marklogic.com/xdmp/privileges/admin/group-security
http://marklogic.com/xdmp/privileges/admin/group-security/{id}
  xquery version "1.0-ml";
  import module namespace admin = "http://marklogic.com/xdmp/admin"
		  at "/MarkLogic/admin.xqy";
  let $config := admin:get-configuration()
  return
  admin:group-copy($config, admin:group-get-id($config, "myOldGroup"),
                    "myNewGroup")
  (: returns the new configuration element -- use admin:save-configuration
     to save the changes to the configuration or pass the configuration
     to other Admin API functions to make other changes.  :)