BDC in Background

Hi Dear All,

I want to run BDC Automatically. For this we use RSBDCSUB this standard program. But I dont know how to roceed this program . I mean after executing it what parameters we have to pass.

After Executing..we get following parameters...

Session =

From =

To =

New =

Incorrect =

Background system

Target host =

Log =

Just plz teel me what I have to pass for this parameters.....Plz explain somebody

Thanks and Regards.

Pradip Pawar

ABAP