Search GiftCertificateItems (Not GiftCertificates)

@operator

In the portal when I search for items  - Lists > Accounting > Items > Search - I'm able to see all type of items including GiftCertificate. But when I do the same search by web service (ItemSearch), GiftCertificate values are not returned.

Is this a bug? Or any other way is their to get GiftCertificates that are listed in Items search form?

NOTE: The GiftCertificate option is enabled in the preferences tab

Thanks in Advance



Sample code that I have used to get giftCertificateItem

                    SearchEnumMultiSelectField typeField = new SearchEnumMultiSelectField();
                    typeField.@operator = SearchEnumMultiSelectFieldOperator.anyOf;
                    typeField.operatorSpecified = true;
                    String[] searchArray = new String[1];