diff -r d075bf1addc2 -r 2f03faa51ba1 Model/DocumentTagInterface.php
--- a/Model/DocumentTagInterface.php	Thu Mar 01 18:44:48 2012 +0100
+++ b/Model/DocumentTagInterface.php	Tue Mar 20 11:45:54 2012 +0100
@@ -108,6 +108,13 @@
     */
     function getCreatedAt();
     
+    /**
+    * Set created at date
+    *
+    * @param DateTime $date
+    */
+    function setCreatedAt($date);
+    
     
 
 }
\ No newline at end of file