example-snippet.html

    <script type='text/javascript'>

        function loadCallback() {
            window['KairosSDK'].check();
            window['KairosSDK']['DataClient']['enviroment'] = 'prod';
            window['KairosSDK']['DataClient']['idToken'] = 3;
            window['KairosSDK']['DataClient']['redirect'] = window.location.origin;
        }

        ! function() {

            const e = "https://www.kairosapp.es";
            let t = document.createElement("script");
            t.type = "text/javascript", t.async = !0, t.src = e + "/assets/sdk/sdk-stable.js";
            let a = document.getElementsByTagName("script")[0];
            a.parentNode.insertBefore(t, a), a.onload = function() {
                let t = document.createElement("iframe"),
                    a = document.getElementsByTagName("body")[0];
                t.style.display = "none", t.id = "iframe_kairos_app_sdk", t.src = e + "/assets/sdk/sdk-iframe.html", t.onreadystatechange = function() {
                    t.readyState
                }, a.appendChild(t), t.onload = loadCallback
            }


        }();

        // execute your script immediately here
        //SDKName('some arguments');
    </script>

Este código se debe insertar en la pagina a usar en el "index.html"