How to add custom meta value in edit order page in Woo-commerce in Wordpress?

Add custom meta value in edit order page in Woo-commerce in Wordpress? 

//===============add meta data on edit order page =========================

/**

 * @param $item_id

 * @param $item

 * @param $product   Product

 */

function wpcodekit_order_meta_customized_display( $item_id, $item, $product ) {

global $woocommerce, $post;

    /*

    *  The default key to "$all_meta_data" can be: _qty,_tax_class,_line_tax,_line_tax_data,_variation_id,_product_id,_line_subtotal, _line_total,_line_subtotal_tax

    */

    $all_meta_data = get_metadata( 'order_item', $item_id, "", "" );  

//print_r($product);

echo $product->get_id();

echo $order_id = $post->ID;

/* 

$order = new WC_Order($post->ID);

//to escape # from order id 

echo $order_id = trim(str_replace('#', '', $order->get_order_number())); */

    ?>

    <div class="order_data_column" style="width: 50%; padding: 0 5px;">

        <h4><?php _e( 'Customized Values' ); ?></h4>

        <?php

            echo '<p><span style="display:inline-block; width:100px;">' . __( "Item to show 01" ) . '</span><span>:&nbsp;' . "Value to show 01" . '</span></p>';

    ?>

     </div>

<?php

}

add_action( 'woocommerce_after_order_itemmeta', 'wpcodekit_order_meta_customized_display',10, 3 );