diff --git a/src/core/message.h b/src/core/message.h
index 8825e11a..effc5014 100644
--- a/src/core/message.h
+++ b/src/core/message.h
@@ -67,6 +67,8 @@ typedef enum msg_type {
     MSG_EVENT_ADD_GRP_CONFIG,
     MSG_EVENT_UPDATE_GRP_CONFIG,
     MSG_EVENT_DEL_GRP_CONFIG,
+    MSG_EVENT_SUBSCRIBE_NODE,
+    MSG_EVENT_UNSUBSCRIBE_NODE,
     MSG_EVENT_ADD_PLUGIN,
     MSG_EVENT_UPDATE_PLUGIN,
     MSG_EVENT_DEL_PLUGIN,