Reg: ZOR orders

Hi All,

How to get ZOR orders from VBRK table?

Actually in my selection screen, i got

kunrg

vkorg

fkdat

vbeln

fkart

fktyp

fields(from VBRK) to choose...

Based on this criteria i have to select the billing documents (ZOR orders) and update the pricing using VF02 transaction...

Please reply asap...

Regards,

Swathi