public function addWishlistButton($html) {
        global $usces;

        $currentsku = urlencode($usces->itemsku['code']);
        ob_start();
        ?>
        <div class="wcexwl item-page-buttons flex row-wrap ai-stretch jc-flex-end ml-05rem-children-not-first mt-05rem-children">
            <?php echo $html; ?>
            <?php if ($this->skutrackerset === false) : ?>
                <input
                    type="hidden"
                    id="wcexwl_itempage_current_sku_<?php echo esc_attr((int)get_the_ID()); ?>"
                    value="<?php echo esc_attr($currentsku); ?>"
                />
                <?php $this->skutrackerset = true; ?>
            <?php endif; ?>
            <div
                class="wcexwl_react_app wcexwl flex row-wrap ai-stretch"
                id="wcexwl_itempage_app_<?php echo esc_attr($currentsku); ?>"
                name="<?php echo esc_attr($currentsku); ?>"
            ></div>
        </div>
        <?php
        $html = (string)ob_get_clean();

        return $html;
    }