import data from r3

Hi,

1) I want to import customer data from R3 system.

Note :- I am using repository created using sp3_customer.a2a archieve file in mdm

I created idoc to file scanario in xi and xml file imported in import manager. but,my problem is i am not able to map all the fields one to one. So, I imported

00_DEBMDM05_R3.map ( thru file--> import),option.

I thought by doing this,mapping will happen automatically between xml and mdm data.but, not able to map automatically. What went wrong?

I heard there is some other solution to import data from r3 ( adding ports, client systems etc in mdm)

Thanks

Rama