manage_comments_nav action-hook . WP 2.5.0

Fires after the Filter submit button for comment types.

Usage

add_action( 'manage_comments_nav', 'action_function_name_2822' );
function action_function_name_2822( $comment_status ){
	// action...
}

$comment_status(string)

The comment status name.
Default: 'All'

Where the hook is called

do_action( 'manage_comments_nav', $comment_status );

Where the hook is used (in WP core)