Collapsible (grouped) columns in Pivot Table

Is it possible to have grouped columns in a pivot table? I see that it’s possible with a data table but I don’t see anything for the pivot table.

You can use onBeforeRender to customize header. Please check the demo:

http://webix.com/snippet/800b0f3e

We have found a problem with this approach. The problem will be solved in the next version.