payment reference number

Greetings all.
This is my first transfer. I want to transfer money from Revolut account to my banck account. I have added my bank account, I writted how much money I want to transfer, but don;t know what to write “ad reference” number. Can I let It blank ?

Unless your bank requires a reference you should be able to left it blank.

You can put there your description of this operation, od leave it blank like @alessandro had written