This is done by using the meta_key as bellow:
[php]
$args = array(
‘post_type’ => ‘product’,
‘meta_key’ => ‘_featured’,
‘meta_value’ => ‘yes’,
‘posts_per_page’ => 1
);
$featured_query = new WP_Query( $args );
if ($featured_query->have_posts()) :
while ($featured_query->have_posts()) :
$featured_query->the_post();
$product = get_product( $featured_query->post->ID );
// Output product information here
endwhile;
endif;
wp_reset_query(); // Remember to reset
[/php]
Enjoy!