{ title => t8('AR Transaction'), type => 'ar_transaction', model => 'Invoice', number => 'invnumber', },
{ title => t8('AP Transaction'), type => 'ap_transaction', model => 'PurchaseInvoice', number => 'invnumber', },
{ title => t8('Dunning'), type => 'dunning', model => 'Dunning', number => 'dunning_id', },
+ { title => t8('GL Transaction'), type => 'gl_transaction', model => 'GLTransaction', number => 'reference', },
);
my @link_types = map { +{ %link_type_defaults, %{ $_ } } } @link_type_specifics;