+
+ } elsif ( $cust_main ) {
+
+ my @classes;
+ if ( $opt{'to_contact_classnum'} ) {
+ my $classnum = $opt{'to_contact_classnum'};
+ @classes = ref($classnum) ? @$classnum : split(',', $classnum);
+ }
+ if (!@classes) {
+ @classes = ( 'invoice' );
+ }
+ @to = $cust_main->contact_list_email(@classes);
+
+ } else {
+
+ die 'no To: address or cust_main object specified';
+