diff --git a/webhook_notifier.py b/webhook_notifier.py
index 09b0e17..dc171b9 100644
--- a/webhook_notifier.py
+++ b/webhook_notifier.py
@@ -20,6 +20,8 @@ class WebhookNotifierNode:
             }
         }
 
+    OUTPUT_NODE = True
+
     RETURN_TYPES = ()
     RETURN_NAMES = ()
     FUNCTION = "notify"