how to codeRFC enable FM to populate look up values(f4) for terms of paymen

Hi,

I need to create RFC enable a Z FM (function module) for f4 help to display the look up values for terms of payment.

i am not able to find out table from where the text description can be fetched. i know t052,t052u,tvzbt

table but no table hold the complete description for all payment terms in split form . Below i give one example also.

in table tvzbt i get , for payment terms 0002, i get description like 14 days 2%, 30 net.

but i need to display that description

Within 14 days 2 % cash discount

Within 30 days Due net

............ in that format.

Thanks & Regards

Tutun