use subscriptionid as code

clientarea.tpl

@@ -1,9 +0,0 @@
-<div class="panel-body p-0">
-    <ul class="list-info list-info-50 list-info-bordered">
-        <li>
-            <span class="list-heading">{$LANG.clientareastatus}</span>
-            <span class="list-text"><span
-                    class="label status-{$addon.rawstatus|strtolower}">{$addon.status}</span></span>
-        </li>
-    </ul>
-</div>

serviceAddon.php

@@ -169,6 +169,9 @@ function serviceAddon_ConfigOptions(array $params) {
 }
 
 function serviceAddon_MetaData() {
+    return array(
+        'blubb' => $params['model']->subscriptionid
+    );
 }
 
 function serviceAddon_AdminCustomButtonArray($params) {
@@ -178,12 +181,6 @@ function serviceAddon_AdminServicesTabFields($params) {
 }
 
 function serviceAddon_ClientArea($params) {
-    return array(
-        'templatefile' => 'clientarea',
-        'vars' => [
-            'blubb' => $params['model']->subscriptionid
-        ],
-    );
 }
 
 function serviceAddonGetEmailTemplatesArray() {