WordPress at a glance
filter is not described

self_link filter-hook . WP 3.6.0

Filters the current feed URL.

Usage

add_filter( 'self_link', 'filter_function_name_4357' );
function filter_function_name_4357( $feed_link ){
	// filter...

	return $feed_link;
}
$feed_link(string)
The link for the feed with set URL scheme.

Where the hook is called

self_link()
wp-includes/feed.php 625
echo esc_url( apply_filters( 'self_link', set_url_scheme( 'http://' . $host['host'] . wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );

Where the hook is used (in WP core)

Does not used.