WordPress at a glance
action is not described

woocommerce_order_item_shipping_after_calculate_taxes action-hook . WC 1.0

Usage

add_action( 'woocommerce_order_item_shipping_after_calculate_taxes', 'action_function_name_4807', 10, 2 );
function action_function_name_4807( $that, $calculate_tax_for ){
	// action...
}
$that
-
$calculate_tax_for
-

Where the hook is called

WC_Order_Item_Shipping::calculate_taxes()
woocommerce_order_item_shipping_after_calculate_taxes
woocommerce/includes/class-wc-order-item-shipping.php 53
do_action( 'woocommerce_order_item_shipping_after_calculate_taxes', $this, $calculate_tax_for );

Where the hook is used (in WC core)

Usage not found!