Add description under item in invoice printing

how add description lines under item product in invoice printing
because we need to add a multi subservices and descriptions to every product in invoice
example i want:


In your sales invoice, each item row has a field called description where you mention these details. And these will be shown in the print.

To make your process faster. You can write a template in the Item’s description and then each time you can change the minor details.

Check the Compact Print option in the print settings and have a look:


thank you , this what i was looking for