Creating an invoice, how to add "per line" fields

Hi

We want to add a Vendor SKU and unique number (like a serial number) to each line on an invoice that is not printed on the invoice that the client gets.

I would be correct this can be done in setup (Home > Setup > Modules > Invoice > [TAB] Complementary attributes (lines)) then add 1 entry for each field that we need?

The reason to ask this, i notice in some videos for Dolibarr i see a “Vendor SKU” and “Serial number”, is this only in the Purchase orders and not invoices or is there a way to get these fields on to the invoice screen?

Many Thanks

Yes. Setup is in (Home > Setup > Modules > Invoice > [TAB] Complementary attributes (lines))
And add 1 line per extra field you need.

HI,
Is that possible to make two fields in one line just like one row having two columns in extra fields or [Complementary attributes]?
Thanks