WooCommerce Custom Order Numbers

Hi all,

I’ve installed Booster for quite a while now.
But with the new updates, I couldn’t find the option I was looking for.

I want to have letters and numbers in the front and after that just sequential counting.
For example 201H0001, 201H0002, 201H0003, 201H0004.
So I want to set a fixed value of 4 (combined letters and numbers) and after that sequential counting.

Does someone know how to set this in the settings of Custom order numbers?
Or what I can do else the achieve this?

Thanks in advance,

Kind regards,

Jens van den Wijngaard