title: Filter tax_query in my wordpress
body: <p>I would like to know how i filters property area , i Try :</p>
  
  <pre><code>&lt;?php     
                   $args = array(
                  'post_type'         =&gt; 'estate_property',
                  'post_status'       =&gt; 'publish',
                  'tax_query'         =&gt; array(
                                                  'taxonomy'  =&gt; 'property_area',
                                                  'field'     =&gt; 'slug',
                                                  'terms'     =&gt; 'pigalle',
                      ),
                  );
  
              $selection = new WP_Query($args);
              ?&gt;
  </code></pre>
  
  <p>But all show ! WHY ? lol</p>
  
  <p>Thanks</p>