Marketing - Open Channel to Standard Export File

Hi Gurus

I need to run a single campaign which must then output an Email and a Standard Format Export File (Mail Form).

I have implemented the Open Channel Badi and the Email Processing is working perfectly.

I am however having mumerous issues getting the Export File generated, I have used the bulk of the code from CRM_MKTTG_SYNCHRON_EXEC (which  is used for the standard export file processing). But my file is not getting generated.

Would anyone have an example of some code for this logic.

Many Thanks in advance

Panduranga