woocommerce_shipping_settings filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_shipping_settings', 'filter_function_name_9773' );
function filter_function_name_9773( $settings ){
	// filter...

	return $settings;
}

$settings

-

Where the hook is called

return apply_filters( 'woocommerce_shipping_settings', $settings );

Where in WP core the hook is used WooCommerce