diff --git a/sources/Core/DataModel/CMDBChange/CMDBChangeOpSetAttributeLinks.php b/sources/Core/DataModel/CMDBChange/CMDBChangeOpSetAttributeLinks.php
new file mode 100644
index 000000000..601d41bc8
--- /dev/null
+++ b/sources/Core/DataModel/CMDBChange/CMDBChangeOpSetAttributeLinks.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * Record added/removed objects from within a link set
+ *
+ * @package     iTopORM
+ */
+abstract class CMDBChangeOpSetAttributeLinks extends CMDBChangeOpSetAttribute
+{
+    /**
+     * @inheritDoc
+     */
+    public static function Init()
+    {
+        $aParams = array
+        (
+            "category" => "core/cmdb, grant_by_profile",
+            "key_type" => "",
+            "name_attcode" => "change",
+            "state_attcode" => "",
+            "reconc_keys" => array(),
+            "db_table" => "priv_changeop_links",
+            "db_key_field" => "id",
+            "db_finalclass_field" => "",
+        );
+        MetaModel::Init_Params($aParams);
+        MetaModel::Init_InheritAttributes();
+
+        // Note: item class/id points to the link class itself in case of a direct link set (e.g. Server::interface_list => Interface)
+        //       item class/id points to the remote class in case of a indirect link set (e.g. Server::contract_list => Contract)
+        MetaModel::Init_AddAttribute(new AttributeString("item_class", array("allowed_values" => null, "sql" => "item_class", "default_value" => '', "is_null_allowed" => false, "depends_on" => array())));
+        MetaModel::Init_AddAttribute(new AttributeInteger("item_id", array("allowed_values" => null, "sql" => "item_id", "default_value" => 0, "is_null_allowed" => false, "depends_on" => array())));
+    }
+}
\ No newline at end of file