Add custom post types feed to your WordPress main RSS feed.
Add the following code to your functions.php file, change ‘theme’, ‘coupon’ to your own custom post types.
[php]
function rss_post_types($query) {
if ($query->is_feed) {
$query->set(‘post_type’, array(‘post’, ‘theme’, ‘coupon’));
}
return $query;
}
add_filter(‘pre_get_posts’, ‘rss_post_types’);
[/php]