ELM: How to maintain the existing BP and update it.

Hello marketing experts,

Which is the Right BADI to maintain the BP during ELM process?

I haven’t find out any related method in BADI CRM_MKTLIST_BADI.

As per my requirement I have to read the ‘.CSV’ file from the application server and has to upload it to CRM on daily basis.

The marketing attribute Data which I am getting from the file I have to update those in exiting BP.

I am not getting how to get it and do it.

DO i need to create an report, if i create an report it wont be an ELM. am i right?

Please help me valuable answer I will surely awarded.

Thanks in Adv.

Kumars