Meta Slider - Flex Slider - Move carousel 1 image at a time

/**
 * INSTALLATION: this code should be pasted into your theme's functions.php file.
 *
 * Compatibility: Flex Slider.
 */
function metaslider_flex_carousel_move($options, $slider_id, $settings) {
    $options['move'] = 1;
    return $options;
}
add_filter('metaslider_flex_slider_parameters', 'metaslider_flex_carousel_move', 11, 3);