woocommerce_order_item_(itemtype)_html │ action-hook │ WC 1.0

Usage

add_action( 'woocommerce_order_item_(itemtype)_html', 'wp_kama_woocommerce_order_item_itemtype_html_action', 10, 3 );

/**
 * Function for `woocommerce_order_item_(itemtype)_html` action-hook.
 * 
 * @param  $item_id 
 * @param  $item    
 * @param  $order   
 *
 * @return void
 */
function wp_kama_woocommerce_order_item_itemtype_html_action( $item_id, $item, $order ){

	// action...
}

$item_id

-

$item

-

$order

-

Where the hook is called

do_action( 'woocommerce_order_item_' . $item->get_type() . '_html', $item_id, $item, $order );

Where the hook is used in WooCommerce