);
}
+=item max_invnum
+
+Returns the most recent invnum (invoice number) for this customer.
+
+=cut
+
+sub max_invnum {
+ my $self = shift;
+ $self->scalar_sql(
+ " SELECT MAX(invnum) FROM cust_bill WHERE custnum = ?",
+ $self->custnum
+ );
+}
+
=item cust_bill [ OPTION => VALUE... | EXTRA_QSEARCH_PARAMS_HASHREF ]
Returns all the invoices (see L<FS::cust_bill>) for this customer.