use SL::DB::MetaSetup::Employee;
 use SL::DB::Manager::Employee;
 
+__PACKAGE__->meta->add_relationship(
+  project_invoice_permissions  => {
+    type       => 'many to many',
+    map_class  => 'SL::DB::EmployeeProjectInvoices',
+  },
+);
+
 __PACKAGE__->meta->initialize;
 
 sub has_right {