INVOICE_FROM, if specified, overrides the default email invoice From: address.
+AMOUNT, if specified, only sends the invoice if the total amount owed on this
+invoice and all older invoices is greater than the specified amount.
+
=cut
sub queueable_send {
? shift
: ( $self->_agent_invoice_from || $conf->config('invoice_from') );
+ my $balance_over = ( scalar(@_) && $_[0] !~ /^\s*$/ ) ? shift : 0;
+
+ return ''
+ unless $self->cust_main->total_owed_date($self->_date) > $balance_over;
+
my @invoicing_list = $self->cust_main->invoicing_list;
$self->email($template, $invoice_from)