How to add existing customer contact to existing customer sites with FBDI

Summary:

Need to add existing customer contact to existing customer sites using FBDI

Content (please ensure you mask any confidential information):

I am trying to add existing customer contacts to existing customer sites through FBDI. But I am not sure what sheets are required to update the existing customer contact information on existing customer sites.

Can anyone help me on this?

Thank you,

Ranjith

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