--- lib/Arh/Model/Unit.pm	2007/11/29 16:08:13	8
+++ lib/Arh/Model/Unit.pm	2007/11/29 16:40:10	9
@@ -16,6 +16,11 @@
 		label is _("Number"),
 		is mandatory;
 
+	column campaign =>
+		refers_to Arh::Model::Campaign,
+		is mandatory,
+		since '0.0.9';
+
 	column dimensions =>
 		label is _("Dimensions"),
 		hit is _("Separate values with ; (semicolumn)"),