Ionic Slider loop true

As I know Ionic slider using Swiper JS
I put the loop on true but it not looping
it reach the final slide and stop
here is my config


Config= {
    initialSlide: 0,
    slidesPerView: 1,
    speed: 400,
    spaceBetween: 20,
    loop: true,
    autoplay: {
      delay: 1000,
      disableOnInteraction: false,
      },
   };