$self->referral_cust_main($depth);
}
+=item referring_cust_main
+
+Returns the single cust_main record for the customer who referred this customer
+(referral_custnum), or false.
+
+=cut
+
+sub referring_cust_main {
+ my $self = shift;
+ return '' unless $self->referral_custnum;
+ qsearchs('cust_main', { 'custnum' => $self->referral_custnum } );
+}
+
=item credit AMOUNT, REASON
Applies a credit to this customer. If there is an error, returns the error,