add usageupdate

zimbraSingle.php

@@ -846,6 +846,14 @@ function zimbraSingle_ChangePackage($params)
 function zimbraSingle_ConfigOptions($params)
 {
     if(isset($_POST['packageconfigoption'])) {
+        $customfieldname = $whmcs->get_req_var("customfieldname");
+        logModuleCall(
+            'zimbrasingle',
+            __FUNCTION__,
+            $params,
+            "Debug",
+            $customfieldname
+        );
         if(zimbraSingleCreateCustomFields($_POST['packageconfigoption']) == false) {
             return false;
         };