fFix: Fatal error: Uncaught Error: Call to undefined function porto_meta_sidebar

To add a custom field to WooCommerce emails, you can use the woocommerce_email_order_meta_fields filter hook. This hook allows you to add custom fields to the order emails. Here’s a step-by-step guide: add_action(‘woocommerce_checkout_update_order_meta’, ‘my_custom_checkout_field_update_order_meta’); function my_custom_checkout_field_update_order_meta($order_id) { if ($_POST[‘my_field_name’]) update_post_meta($order_id, ‘My Field’, esc_attr($_POST[‘my_field_name’])); } In this example, my_field_name is the name of the input field in…