datasheet.js

<script>
    var questions = {
          "#index": {
              question: "Which service do you use?",
              options: [
                  {
                      description: "a) Service Only",
                      action: "#feedback-type"
                  },
                  {
                      description: "b) Service Delivery and Goods",
                      action: "#extended"
                  },
                  {
                      description: "c) Product and services",
                      action: "#feedback-type"
                  },
                  {
                      description: "d) Products Only",
                      action: "#standalone"
                  }
              ]
          },
          '#feedback-type': {
              question: "Which customer feedback do you want to collect?",
              options: [
                  {
                      description: "a) Star rating + written feedback",
                      action: "#standard"
                  },
                  {
                      description: "b) Star rating + written feedback + added criteria of services",
                      action: "#extended"
                  }
              ]
          },
          "#standard": {
              question: "",
              options: [
                  {
                      description: "You need the Standard questionnaire. Click to read about it",
                      action: "https://developers.etrusted.com"
                  }
              ]
          },
          "#extended": {
              question: "",
              options: [
                  {
                      description: "You need the Extended questionnaire. Click to read about it",
                      action: "https://help.etrusted.com/hc/en-gb/articles/360025749732-What-do-the-optimised-questionnaire-templates-offer-"
                  }
              ]
          },
          "#standalone": {
              question: "",
              options: [
                  {
                      description: "You need the standalone questionnaire. Click to read about it",
                      action: "https://developers.etrusted.com/questionnaire-api/questionnaire-api.html"
                  }
              ]
          },
      };
      const iframe=document.getElementById("questionnaire");iframe.addEventListener('load',function(){var i=iframe.contentWindow;i.postMessage(JSON.stringify(questions),'*')})
</script>