woocommerce_ajax_order_item filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_ajax_order_item', 'filter_function_name_8619', 10, 4 );
function filter_function_name_8619( $order_item, $item_id, $order, $product ){
	// filter...

	return $order_item;
}

$order_item

-

$item_id

-

$order

-

$product

-

Where the hook is called

$item                    = apply_filters( 'woocommerce_ajax_order_item', $order->get_item( $item_id ), $item_id, $order, $product );

Where in WP core the hook is used WooCommerce