Linked filters

[ptoapanta]

Hi,
Could you explain me please how can I change this extensión in order to change the way that filters show options, por example I've three filters, one for countries, another for cities and another one for indicators. I'd like to order filters by a hierarchy Countries, Cities and Indicators. And then for example the filter for cities just show the cities for the country that I chose in Countries filter, and the same with indicators filter.

I'm junior on developting with python and ckan. I hope your soon answer. thanks