How to run the same job by connecting to different datastore

Hi,

I have a application which stores data in oracle database. The application is installed in 3 different locations (say India, France and Germany).

The requirement is to extract the data from each location, transform it and store it in a CENTRALISED location (say USA).

I have created a job where the source datastore connection is India and the target datastore connection is USA..

How can I run the same job again which will point to a different source datastore connection (France and Germany)?

I am new to BODS. I assume we can parametise the job but not sure how to do it.

Can you suggest how to do the setup for th above scenario in BODS? 

Thanks

Saty