Add extra button under add to cart in woocommerce wordpress

add_action( 'woocommerce_after_shop_loop_item', 'add_loop_custom_button', 1000 );
function add_loop_custom_button() {
    global $product;

    $product_link = $product->get_permalink(); // Link to the product (if needed)

    // Define your button link
    $custom_link = home_url( "/something/" ) ;

    // Output
    echo '<div class="product_meta wcdp-preview-btn-div">
    <a class="button thickbox" href="' . esc_url( $custom_link ) .'">' . __( "Citește fragment" )  . '</a>
    </div>';
}