'SL::DB::Letter' => sub { $_[0]->letternumber },
'SL::DB::ShopOrder' => sub { $_[0]->shop_ordernumber },
'SL::DB::EmailJournal' => sub { $_[0]->id },
'SL::DB::Letter' => sub { $_[0]->letternumber },
'SL::DB::ShopOrder' => sub { $_[0]->shop_ordernumber },
'SL::DB::EmailJournal' => sub { $_[0]->id },
purchase_order => 130,
purchase_delivery_order => 140,
'SL::DB::PurchaseInvoice' => 150,
purchase_order => 130,
purchase_delivery_order => 140,
'SL::DB::PurchaseInvoice' => 150,
'SL::DB::Letter' => 200,
'SL::DB::ShopOrder' => 250,
'SL::DB::EmailJournal' => 300,
'SL::DB::Letter' => 200,
'SL::DB::ShopOrder' => 250,
'SL::DB::EmailJournal' => 300,