+=item previous_cust_bill_pkg
+
+Returns the previous cust_bill_pkg for this package, if any.
+
+=cut
+
+sub previous_cust_bill_pkg {
+ my $self = shift;
+ return unless $self->sdate;
+ qsearchs({
+ 'table' => 'cust_bill_pkg',
+ 'hashref' => { 'pkgnum' => $self->pkgnum,
+ 'sdate' => { op=>'<', value=>$self->sdate },
+ },
+ 'order_by' => 'ORDER BY sdate DESC LIMIT 1',
+ });
+}
+