diff --git a/app/Mail/CharacteristicApprovalMail.php b/app/Mail/CharacteristicApprovalMail.php
index 88f4cc6..54a8f55 100644
--- a/app/Mail/CharacteristicApprovalMail.php
+++ b/app/Mail/CharacteristicApprovalMail.php
@@ -29,6 +29,8 @@ class CharacteristicApprovalMail extends Mailable
 
     public $subjectLine;
 
+    public $characteristics;
+
     /**
      * Create a new message instance.
      */