diff --git a/core/Di/Attributes.php b/core/Di/Attributes.php
index f46d5a38..8ebdeabc 100644
--- a/core/Di/Attributes.php
+++ b/core/Di/Attributes.php
@@ -16,6 +16,7 @@ trait Attributes
     private array $_classMethod = [];
     private array $_classPropertyNote = [];
     private array $_classProperty = [];
+    private array $_mapping = [];
 
 
     /**