older,
          booleanValue = false;

      //init carousel
      owl.owlCarousel();

      /*
      addItem() method add new slides on given position

      Syntax:
      owldata.addItem(htmlString, targetPosition)

      First parameter(mandatory) "htmlString" accept string like this:
      var newItem = "<div>new Item</div>"
      
      Second parameter "targetPosition" is optional and accept number values. 
      To add item at the end of carousel you could use -1 value. Last item is default value.
 