Hi @Helena
You have to create two different questions. As I wrote in Pie with drilldown, it's currently not possible to do hierarchy drill-through on the same question.
Example, the filter is connected to the right Pie, and there's a Click Behavior on the first Pie which sets the filter:
Hi @flamber! Ok, I got it. So I can't update a graph clicking on it, but I can uptade the filter on the dashboard that will update other charts (except itself). Right?