How can one change the type of viewer in the trellis plot

[nico.pulver.novartis.com]

I tried to switch the viewer type in the trellis plot, but it seems this configuration is free-text for me.
I guess it would be more intuitive if this is a selection/drop-down.
I tried histogram, but it didn’t work:

[kdoncov]

Hi, Nico!
You can change type of viewer using this drop-down list:

We will also fix the reported bug with viewer selection in properties later.

[nico.pulver.novartis.com]

It seems like switching to Scatterplot does also not work.