Ok, thanks!
It works good.
But the filter shows all categories in both pages. Im trying to show only sub-categories of category that is being played on page. I think the query must be the same and after, I have to filter the results by using curren…
I just found the solution thanks.
"hierarchical" => true, - it makes taxonimy works with categories (hierarchical)
http://wp.smashingmagazine.com/2012/01/04/create-custom-taxonomies-wordpress/