How to ignore the header record in every line item using FTP receiver with apend option

Hi Team,

I have requirement number IDOCs processed to single flat file using receiver FTP ....

In this case have configure the scenario and using FTP receiver communication channel wrote content conversion with "apend" option using dyanamic file name....

I am getting output every idoc is mergered and processed single flat file...

Using content conversion as below:

Getting output:

Below circle recorder are header information....each header under having data record...

Business requirement :Required output:

Request you please suggest how to how to ignore every header record from output generated file..

Thanks & Regards,

Naidu