update docs

Author: =

docs/filters/available-methods.md

@@ -205,4 +205,20 @@ If the filter takes any config options, you can set them with the `config` metho
         'min' => '2020-01-01',
         'max' => '2021-12-31',
     ])
-```
+```
+
+### Hiding filters
+
+If you don't want the filter to be visible in the `ui`, you can use the `hidden` method:
+
+```php
+
+    // this filter won't  be seen in popover and slide down
+    SelectFilter::make('Active')
+        ->options([
+            '' => 'All',
+            'yes' => 'Yes',
+            'no' => 'No',
+        ])
+        ->hidden() // hide the filter from popover and slidedown
+```