HUSKY - Products Filter Professional for WooCommerce

From v.2.2.6/1.2.6

Uses for extension ‘SEO URL request‘ – allows to add possible literal variables that can be inserted into the SEO rules fields. Example in the field: ‘Page title {my_seo_word_1}‘.

add_filter('woof_seo_request_literals', function ($vars) {
    $vars['my_seo_word_1'] = "Any text here!";//any code for any literal key
    return $vars;
});