Table field and structure field

Hi ,
I am working on an user exit.
I have to update a field on the transaction screen DFBATCH-MHD_IO (DFBATCH is a struture).
Now the same field is defined in table MARA-VFDAT (MARA is a table).
Now in the user exit function module I have written a code which will update the table field MARA-VFDAT.
So will the structure field also gets updated automatically since that structure field is same as the table field (only name is different) or I have to explicitly equate table field to structure field.
Raghu.

How do you know that DFBATCH-MHD_IO is tied to MARA-VFDAT. Is there a line of code in the transaction like this.
MARA-VFDAT = DFBATCH-MHD_IO.
or
DFBATCH-MHD_IO = MARA-VFDAT.
If you are updating MARA-VFDAT from your userexit, and the existing code in the transaction is filling the DFBATCH-MHD_IO from MARA-VFDAT, then no you shouldn't need to fill it.
Regards,
Rich Heilman

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Table field and structure field

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