Colouring in timetable

Hi!
I wanted to know if you could add shading in a timetable slot instead of a colour, like diagonal stripes for example.
Thank you,
Emilie

www.idoceo.net/index.php/en/planning-art...r-schedule-full-size

You will see here how to add stripes between particular times on all the schedule. It can't be done for a single day though