diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index be8f26bbd47..14fa0eb3565 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -583,11 +583,17 @@ abstract class CommonObject
 	 */
 	public $total_ttc;
 
+
 	/**
 	 * @var CommonObjectLine[]
 	 */
 	public $lines;
 
+	/**
+	 * @var string	Action code to use to record auto event in agenda. For exemple 'AC_OTH_AUTO'
+	 */
+	public $actiontypecode;
+
 	/**
 	 * @var mixed		Comments
 	 * @see fetchComments()