FCC configuration in Sender File Channel Without any key field name

Hi Everyone,

We have below flat file generated from ECC using standard tcode.

The flat file is fixed length file and first record is header record followed by line items.

There is no key field name in the file name.

Can we read the file and convert into xml without any key field name?

I want to understand if the FCC configuration for above file can be done without key name or not.

Thanks,

Vertika