I created a barchart in Knowage and want to switch from the default side-by-side display to the stacked display.
Here's my chart :

Here's the empty settings I see in Advanced Settings Configuration :

And here are the stacked and stackedType fields where I have no documentation whatsoever on how to fill correctly :

Basically, what I would like to reproduce is what we had in Spago :

Thanks in advance for the response and best regards,
Arnaud Bresson.