Customise the behaviour of WooCommerce slider on single-product

Update WC FlexSlider options

// Make Update WooCommerce Flexslider options

add_filter( 'woocommerce_single_product_carousel_options', 'ud_update_woo_flexslider_options' );

function ud_update_woo_flexslider_options( $options ) {

    $options['directionNav'] = true;
    $options['animation'] = "slide";
    $options['animationLoop'] = true;
    $options['slideshow'] = true;
    $options['controlNav'] = false;

    return $options;
}