Datatrans payment system with JSinterop

Hi,

I am trying to integrate the Datatrans payment system with JSinterop

The js script is https://pay.sandbox.datatrans.com/upp/payment/js/datatrans-2.0.0.js

the js code to be executed should be :

payButton.onclick = function() {

  Datatrans.startPayment({

    transactionId:  "{{transactionId}}",

    'opened': function() {console.log('payment-form opened');},

    'loaded': function() {console.log('payment-form loaded');},

    'closed': function() {console.log('payment-page closed');},

    'error': function() {console.log('error');}

  });

};

I created a Datatrans class :

@JsType(namespace = JsPackage.GLOBAL, isNative = true)

public class Datatrans {

public native static void startPayment(String transactionId);

}

When clicking on the payButton, the startPayment function from the js code is executed but no dialog from datastrans is shown.

I guess imy definition of my startPayment method doesnot include the functions callbacks for opened/loaded etc

How can I define these functions and change my  startPayment definition ?

Thanks in advance for any help

Pierre

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