Adding Coupon Column to Woocommerce Orders admin

woocommerce_coupon_column

<?php
// Add a new column to the orders list
add_filter( 'manage_edit-shop_order_columns', 'add_coupon_code_column', 20 );
function add_coupon_code_column( $columns ) {
	// Insert the new column after the 'order_status' column
	$new_columns = array();
	foreach ( $columns as $key => $column ) {
		$new_columns[ $key ] = $column;
		if ( 'order_status' === $key ) {
			$new_columns['coupons_used'] = __( 'Coupons Used', 'your-textdomain' );
		}
	}
	return $new_columns;
}

// Populate the custom column with coupon data
add_action( 'manage_shop_order_posts_custom_column', 'populate_coupon_code_column' );
function populate_coupon_code_column( $column ) {
	global $post;

	if ( 'coupons_used' === $column ) {
		$order = wc_get_order( $post->ID );
		$coupons = $order->get_coupon_codes(); // Get the coupon codes

		if ( ! empty( $coupons ) ) {
			echo implode( ', ', $coupons );
		} else {
			echo 'N/A'; // If no coupon was used
		}
	}
}