shortcode tax only not work

Hi everyone, someone can help me with woof filter shortcode. I insert the code [woof tax_only = ‘pa_ad’] where ad is the slug of a category but it doesn’t show anything, where am I wrong? I’d like to show the filter only for category=ad

• This topic was modified 4 years ago by Jan73.

The page I need help with: [log in to see the link]