WordPress at a glance
action is not described

woocommerce_new_customer_note action-hook . WC 1.0

Usage

add_action( 'woocommerce_new_customer_note', 'action_function_name_9432' );
function action_function_name_9432( $array ){
	// action...
}
$array
-

Where the hook is called

WC_Order::add_order_note()
woocommerce_new_customer_note
woocommerce/includes/class-wc-order.php 1724-1730
do_action(
	'woocommerce_new_customer_note',
	array(
		'order_id'      => $this->get_id(),
		'customer_note' => $commentdata['comment_content'],
	)
);

Where in WP core the hook is used WooCommerce

Usage not found.