WordPress at a glance
action is not described

woocommerce_ajax_add_order_item_meta action-hook . WC 1.0

We do not perform any stock operations here because they will be handled when order is moved to a status where stock operations are applied (like processing, completed etc).

Usage

add_action( 'woocommerce_ajax_add_order_item_meta', 'action_function_name_8860', 10, 3 );
function action_function_name_8860( $item_id, $item, $order ){
	// action...
}
$item_id
-
$item
-
$order
-

Where the hook is called

WC_AJAX::maybe_add_order_item()
woocommerce_ajax_add_order_item_meta
woocommerce/includes/class-wc-ajax.php 939
do_action( 'woocommerce_ajax_add_order_item_meta', $item_id, $item, $order );

Where in WP core the hook is used WooCommerce

Usage not found.