PRINTABLE REPORT with Related Records

Hi,
I've set up the the printable report as explain in the tutorial ; it works fine. But I would like to know
how could I add datas from related table in it ?
If someone can help, thanks.
I've set up the the printable report as explain in the tutorial ; it works fine. But I would like to know
how could I add datas from related table in it ?
If someone can help, thanks.