setting adapter specific message attributes

hi xi guroos.

i just got one doubt in a file to file scenario.

if i set adapter specifec message attributes in sender file CC.

and if i enabled file name checkbox.

some xi prof saying that the file at recievr directory will get created with the same filename which we r using at source directory .

if this is the case then no need to create any UDF for getting same file name i n mapping and one more doubt is

then what is the use of typing filename at reciever file adapter.

u r anwer will be appreciated.

waiting for u.

bey.

regards.

seeta ram.