This allows you to use references for the Bank Import Plugin.

Bank import plugin - Bank Reconciliations Plugin Manual - BankImport Plugin Manual - Shop - Once-off license

The Bankimport plugin will import bank transactions and save you hours of data entry. You can simply link transactions to your debtors, creditors or other accounts. And with a simple mouse click link the payments to the right invoices. Needs to be activated on the Setup ribbon, select Setup → System Parameters.