use subscriptionid as code

serviceAddon.php

@@ -179,7 +179,9 @@ function serviceAddon_AdminServicesTabFields($params) {
 
 function serviceAddon_ClientArea($params) {
     return array(
-        'blah' => $params['model']->subscriptionid
+        'vars' => [
+            'blah' => $params['model']->subscriptionid
+        ]
     );
 }