test page

<script>
(function(w,d,s,o,f,js,fjs){
  w['PaymentWidget']=o;
  w[o]=w[o]||function(){
    (w[o].q=w[o].q||[]).push(arguments)
  };

  js=d.createElement(s);
  fjs=d.getElementsByTagName(s)[0];

  js.id=o;
  js.src=f;
  js.async=1;

  fjs.parentNode.insertBefore(js,fjs);

}(window,document,'script','paymentWidget','https://cdn.paytring.com/js/quick/embeded.js'));

paymentWidget('init', {
  universityId: 'Celprep',

  globalDefault: {
    domain: 'quick.paytring.com/ecom/v/applyboard?cc=true&category=660654588085',
    name: 'ApplyBoard Payments'
  },

  regions: [
    {
      countries: ['IN'],
      store: {
        domain: 'quick.paytring.com/ecom/v/applyshopindia?category=506660225331',
        name: 'ApplyBoard India'
      }
    }
  ],

  useIframe: true

    floatingButton: false
  
});
</script>


<div id="payment-area"></div>
<script>
  paymentWidget('embed', '#payment-area', {
    height: '800px'
  });
</script>