Condition record not displayed in PO oubound idoc

Hi,

When i create or change PO the outbound IDOC is getting triggered, but the condition records in PO are not getting displayed in IDOC. As per the documentation it should be in either E1EDK05 (Header) or E1EDP05 (Item) structures. But this segments are blank even if i have data in PO. Should we do any configuration for this ?