Save and display specific payment gateway additional field everywhere in Woocommerce

Question

I am using \"Additional field on checkout for specific payment gateway in Woocommerce\" answer code, that displays an additional dropdown field for specific payment gat

Answer 1

add_action('woocommerce_checkout_update_order_meta', 'custom_checkout_field_update_order_meta');

function custom_checkout_field_update_order_meta($order_id)

{

if (!empty($_POST['field_slug'])) {

update_post_meta($order_id, 'Some key',sanitize_text_field($_POST['field_slug']));

}

} to fetch this value in order details or email template page you can use get_post_meta($order_id, 'Some key',false);