echo not working in JomSocial plugin -

i making jomsocial plugin name of user when echo name not displaying name. here code

<?php defined('_jexec') or die('restricted access'); require_once jpath_root .'/components/com_community/libraries/core.php';  class plgcommunityname extends jplugin{      function getuserdetails(){         $cuser = cfactory::getuser();         $name = $cuser->username;         echo $name;     } }  ?> 

how can ?

try return $name; instead of echo $name;