Add extra meta for orders in Woocommerce

Question

I\'m creating a custom plugin for my website.

In some part of this plugin I need to store extra meta in wp_postmeta for each orders.

I added thi

Answer 1

answer is: I should use woocommerce_checkout_update_order_meta for add_action and also i should simply use update_post_meta() to add extra meta to my order

    function add_item_meta( $order_id ) {
            //global $woocommerce;
            update_post_meta( $order_id, '_has_event', 'yes' );
        }