try to customize client detail page

zimbraSingle.php

@@ -204,7 +204,7 @@ function zimbraSingle_ClientArea($params) {
     $webmailUrl = zimbraSingleFindAll($accountInfo, 'PUBLICMAILURL');
     $clientInfo['webmailurl'] = $webmailUrl[0]['DATA'];
     return array(
-        'templatefile' => 'templates/clientarea',
+        'tabOverviewReplacementTemplate' => 'templates/clientarea',
         'vars' => $clientInfo,
     );
 }