Income from foreign company

Hello, I am a freelance illustrator who occasionally had to invoice a foreign client in USD. This was then paid in my UK bank account and converted in GBP. Should this be declared as the amount I invoiced or as the amount I received in GBP in my account? Additionally, is this something that needs to be declared in the foreign section? Thanks!

Hi,

This will be the invoiced amount and you will include it as part of your self employed turnover.

Thank you.