diff --git a/Models/Message.php b/Models/Message.php
index e53a118..c12642f 100644
--- a/Models/Message.php
+++ b/Models/Message.php
@@ -24,6 +24,14 @@ namespace Modules\Support\Models;
  */
 class Message
 {
+    /**
+     * ID.
+     *
+     * @var int
+     * @since 1.0.0
+     */
+    protected int $id = 0;
+
     /**
      * Name.
      *