(name) filter-hook . WC 1.0

Usage

add_filter( '(name)', 'filter_function_name_8398' );
function filter_function_name_8398( $data ){
	// filter...

	return $data;
}

$data

-

Where the hook is called

wp_localize_script( $handle, $name, apply_filters( $name, $data ) );

Where in WP core the hook is used WooCommerce