Add ID Purchase into Giftcard

Hello there,
we hope you’re doing well!

In order to achieve what you need, please, add the following code to the functions.php file of your active theme:

if ( ! function_exists( 'yith_ywgc_add_order_number_gift_card_pdf' ) ) {
    function yith_ywgc_add_order_number_gift_card_pdf( $object ) {
        echo '<br><br>';
        echo wp_kses_post( '<tr><td><p><span style="font-weight: bold;">Order number: </span>#' . $object->order_id . '</p></td></tr>' );
    }

    add_action( 'yith_wcgc_template_after_message', 'yith_ywgc_add_order_number_gift_card_pdf', 10 );
}

Check it out and tell us if it works well for you, please.

Best regards.