is it possible to map remittance email in questionnaire and include it during supplier registration

Summary:

One of our Cloud ERP client has a requirement to get remittance email address added/mapped in the supplier questionnaire as standard attribute and include this questionnaire in the supplier registration process.

If this can be done then when the supplier respond by providing the remittance email and post registration this email is autopopulated in the remittance email field. We tried checking the supplier or site attribute in the quesstionaire but we couldn't find remittance email field. can you please advise if this can be done either via configuration or some other workaround?

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