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HTML 

              
                <!doctype html>
<html>

<head>
  <script>
    function initializeCMP(callbacks) {
      window._iub = window._iub || [];
      _iub.csConfiguration = {
        cookiePolicyId: 417383,
        siteId: 1,
        logLevel: 'error',
        lang: 'en',
        enableTcf: true
      };

      if (callbacks) {
        _iub.csConfiguration.callback = callbacks
      }

      // Note: this gives error on codepen only
      // It should work on a regular top frame
      var stubScript = document.createElement('script');
      stubScript.src = '//cdn.iubenda.com/cs/tcf/beta/stub.js';
      document.body.insertBefore(stubScript, document.body.firstChild);

      var cmpScript = document.createElement('script');
      cmpScript.src = '//cdn.iubenda.com/cs/beta/iubenda_cs.js';
      cmpScript.setAttributeNode(document.createAttribute('async'));
      document.body.insertBefore(cmpScript, stubScript.nextSibling);
    }
  </script>
  <script>
    // Note: more scenarios can be produced by following this link: https://iabtcf.com/#/encode
    var scenarios = {
      'everything rejected': 'CPAQjlJPAQlAKB7D3CENBJCgAAAAAAAAAAAAHPQAAOfgAAAA',
      'everything accepted': 'CPAQjlJPAQmKhB7D3CENBJCsAP_AAH_AAAAAHPNd_X_fb39j-_59_9t0eY1f9_7_v-0zjgeds-8Nyd_X_L8X42M7vF36pq4KuR4Eu3LBIQFlHOHUTUmw6okVrTPsak2Mr7NKJ7PEinMbe2dYGHtfn9VTuZKYr97s___z__-__v__79f_r-3_3_vp9X---_e_UDnwCTDUvgIsxLHAkmjSqFECEK4kOgFABRQjC0TWEBK4KdlcBH6CBgAgNQEYEQIMQUYsAgAAAACSiICQA8EAiAIgEAAIAVICEABGgCCwAkDAIABQDQsAIoAhAkIMjgqOUwICJFooJ5KwBKLvYwwhDKLACgUf0VAA',
      'purpose 1 accepted': 'CPAQjlJPAQmF8B7D3CENBJCgAIAAAAAAAAAAHPNd_X_fb39je_59f9t0eY1P997_v-wjjgeds-8NyV_W_L8X42M7vF36pqoKuQ4EuzJBIQFlGOHURUmw6okVpSPMak2Mq5NKJ7PEinMbO2dYGGlfndVDuQKYr97sftrz_9-6_v__79f-r-33z_vJUX-u8tO9UAAAAAAA',
      'purpose 2 accepted with leg int': 'CPAQjlJPAQmfeB7D3CENBJCgAEAAAEAAAAAAHPNRZQ2AbmsDuR4ViZN0YQBXAOyivwQxhgcZE4wFwNPDGBcF4AM4nFnwJCYCORgEGGDAIAFlCKEQDQkwCokBrCCsaE2IAqJCBYKAikMaWwBIGGFdH9VROZKQhtqo55jSbPwtQGucJocUKqhOGfPhhBS4clQXUDn4AAAA',
      'purpose 2 rejected but leg int accepted': 'CPAQjlJPAQmo9B7D3CENBJCgAAAAAEAAAAAAHPQAAAAAAAAA',
      'special feature 1 accepted': 'CPAQjlJPAQmyVB7D3CENBJCoAAAAAAAAAAAAHGBJUGJETCJAi5pZIBAwYAhOA-SDFw0QiAIJEoEEgJqAdBIEgEIRFBjIoKgKgAgEqiBAAABBCKGADQgAIIkACQKMAkGADQNABgBAAFELA2FAACFLEsBToQAAjFgEJavQQIwhqGEFIBAAAUCQAIAABUwKOkAAAAAA',
      'vendor 826 accepted': 'CPAQjlJPAQnAkB7D3CENBJCgAAAAAAAAAAAAHGQAQE6AAAAA',
      'vendor 92 accepted with leg int': 'CPAQjlJPAQnJFB7D3CENBJCgAAAAAAAAAAAAAuQAQAuAC5ABAC4AAAAA',
      'vendor 92 rejected but leg int accepted': 'CPAQjlJPAQnPkB7D3CENBJCgAAAAAAAAAAAAAuQAABcgAgBcAAAA'
    };

    function initializeCMPWithScenario(scenario, cb) {
      var callbacks = {
        onBeforePreload: function() {
          // This function is used to store a user's consent programmatically
          _iub.cs.api.storeConsent({
            consent: true,
            tcfv2: scenarios[scenario]
          });
        }
      };

      if (cb) {
        callbacks.onReady = cb;
      }

      initializeCMP(callbacks);
    }
  </script>
</head>

<body>
  <header>
    <div class="wrapper">
      <h1>iubenda Cookie Solution</h1>
      <p>PoC to test CMP</p>
    </div>
  </header>

  <section class="wrapper">

    <p>In this <a href="https://www.iubenda.com/en/help/7440" target="_blank">TCF</a> demo we show vendors how to take advantage of <code>storeConsent()</code> to test our <a href="https://www.iubenda.com/en/cookie-solution" target="_blank">Cookie Solution</a>. Head to our <a href="https://www.iubenda.com/en/help/1205#banner-content" target="_blank">advanced guide</a> to learn more about this parameter.</p>

    <hr />

    <h4>Helpful guides</h4>
    <ul class="guides">
      <li><a href="https://www.iubenda.com/en/help/7440" target="_blank">The complete guide to TCF and iubenda's Consent Management Platform</a></li>
      <li><a href="https://www.iubenda.com/en/help/1205" target="_blank">How to configure your Cookie Solution (Advanced Guide)</a></li>
    </ul>

  </section>
</body>

</html>
!

CSS
!

JS 

              
                initializeCMPWithScenario('everything accepted', function() {
  console.log('CMP initialized');
  // Get TC data and verify it's consistent with the scenario
  __tcfapi('getTCData', 2, function(tcData) {
    console.log(tcData);
  });
});
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999px

Console