There might be a situation where you want to add notes or comments to your invoice. The note is then added to the invoice object in Younium. If that notes field also is added to your Invoice template it will also be included on your generated pdf. For more info on invoice templates, check out this article.
On the invoice
1. Press product line: This will dictate where the note will be on the invoice, the note will be below the product selected
2. Write note