Meta Slider - Flex Slider Delay Slide

/**
 * INSTALLATION: this code should be pasted into your theme's functions.php file.
 *
 * Use this filter to set a custom delay time on any slide in the slideshow
 *   ... apart from the first slide! If you need to delay the first slide
 *   ... see https://gist.github.com/tomhemsley/9247378
 */
function metaslider_delay_slide($options, $slider_id, $settings) {
    $delay = 5000; // delay in milliseconds
    $slide_to_delay = 2; // 1 = first, 2 == second..
    
    $options['after'][] = "if (slider.currentSlide == ({$slide_to_delay} - 1)) { slider.pause(); setTimeout(function(){ slider.play(); }, {$delay}); }" ;
    
    return $options;
}
add_filter('metaslider_flex_slider_parameters', 'metaslider_delay_slide', 10, 3);