-__PACKAGE__->meta->add_relationship(
- unit_obj => {
- type => 'many to one',
- class => 'SL::DB::Unit',
- column_map => { unit => 'name' },
+__PACKAGE__->meta->make_manager_class;
+
+__PACKAGE__->configure_acts_as_list(group_by => [qw(trans_id)]);
+
+__PACKAGE__->meta->add_relationships(
+ invoice => {
+ type => 'one to one',
+ class => 'SL::DB::Invoice',
+ column_map => { trans_id => 'id' },