diff --git a/application/WarehouseShippingNote/WarehouseShippingNoteController.php b/application/WarehouseShippingNote/WarehouseShippingNoteController.php
index 30dbe3d2a..559379fc3 100644
--- a/application/WarehouseShippingNote/WarehouseShippingNoteController.php
+++ b/application/WarehouseShippingNote/WarehouseShippingNoteController.php
@@ -697,6 +697,11 @@ class WarehouseShippingNoteController extends TTCrud {
         }
 
         $eventsJson = CalendarModel::getCalendarEvents($this->user, 0, 0, true);
+
+        if (isset($_GET['die_calendar'])) {
+            die($eventsJson);
+        }
+
         $allEvents = json_decode($eventsJson, true)['data'] ?? [];
 
         if (!is_array($allEvents)) {