how to set drawing pivot points?

hi , i have come here after a long time, i am a digital pro/Solo user. I just started a little cutout animation in TBS 5.0.
I am wondering how to set a drawing pivot point for any drawing layer in TBS 5.0.

Thanks

also search feature of this forum doesn’t work me.

Your answer can be found here Toon Boom Fundamentals The Basics Part 2 -JK