You can add a message called "Beneficiary communication" when creating a new payment.
This message will be visible on the bank statements and banking platform of your beneficiary.
It can be used to indicate the payment reference or the number to the invoice(s) being paid.
Maximum authorized length is 76 characters. A-Z letters as well as 0-9 numbers are accepted. Accentuated letters are not accepted and are automatically replaced by non-accentuated letters. Non-latin alphabet letters or numbers are not accepted.