public function quickPayRedirectOnLoginSuccess() {
        return function () {
            global $usces;

            $redirectUrl = isset($_REQUEST['wcexaapRedirect']) ? $_REQUEST['wcexaapRedirect'] : '';
            if (isset($_POST['customerlogin']) && !empty($redirectUrl)) {
                if ($usces->page === 'delivery') {
                    // Login succeeded. Redirect to QuickPay page
                    if (isset($_POST['allowAmazonLogin']) && !empty($_SESSION['usces_member']['ID'])) {
                        (new MemberMeta((int)$_SESSION['usces_member']['ID']))->updateAllowAmazonToWelcartLogin(true);
                    }
                    wp_safe_redirect($redirectUrl);
                    exit;
                }
            }
        };
    }