Index: branches/1.2.x/units/widgets/widgets_config.php
===================================================================
diff -u -N -r15555 -r15942
--- branches/1.2.x/units/widgets/widgets_config.php	(.../widgets_config.php)	(revision 15555)
+++ branches/1.2.x/units/widgets/widgets_config.php	(.../widgets_config.php)	(revision 15942)
@@ -104,6 +104,12 @@
 		)
 	),
 
+	'CalculatedFields' => array(
+		'' => array(
+			'VirtualActionField' => '%1$s.WidgetId',
+		)
+	),
+
 	'VirtualFields' =>	Array (
 		'VirtualActionField' => Array ('type' => 'string', 'default' => ''),
 	),