Try, not tested,
add_filter('the_content_feed','add_my_fields_to_rss');
function add_my_fields_to_rss($content) {
global $post;
$mymeta = get_post_meta($post->ID, 'my_meta', true);
$content .= $mymeta;
return $content;
}
Try, not tested,
add_filter('the_content_feed','add_my_fields_to_rss');
function add_my_fields_to_rss($content) {
global $post;
$mymeta = get_post_meta($post->ID, 'my_meta', true);
$content .= $mymeta;
return $content;
}