SAP Integration with Ariba using Ariba Integration ToolKit

Hello Experts,

We have Ariba Integration with SAP.

As per my understanding, we can extract the suppliers from SAP ECC and update the Ariba Network using Ariba Integration Toolkit.

SAP ECC will extract the suppliers and generate a file in a specific folder, the Ariba Integration Toolkit will pick the file from the relevant folder and update the suppliers on Ariba Network.

Can you please let me know if my understanding is correct?

I would also like to know What are the T-Codes in SAP by which I can extract the suppliers from SAP ECC.

Thanks a lot for your help.