add_action('wcps_slider_item','wcps_slider_item_20200331', 10);
function wcps_slider_item_20200331($args){
$product_id = isset($args['product_id']) ? $args['product_id'] : '';
$loop_count = isset($args['loop_count']) ? $args['loop_count'] : '';
if($loop_count == 2){
?>
<div class="item ">Custom loop item</div>
<?php
}
}