dr-gtm.html

<script>
  var url = "https://api.decisionrules.io/rule/solve/your-rule-id"; // Enter your rule ID here
  var solverKey = "your-solver-api-key"; // Enter your Solver API Key here
  var data = {"data":{"Input attribute":"Call to DecisionRules"}}; // Enter your input data here
  var drResponse = null;

  fetch(url, {
    method: "POST",
    headers: {"Content-Type": "application/json",
      "Authorization": "Bearer " + solverKey},
    body: JSON.stringify(data)
  }).then(function (res) {
    return res.json();
  }).then(function (data) {
    
    // Use the response here
    console.log("Response from DecisionRules was", data);
    drResponse = data;
    
    // Trigger a custom event "dr-response" in GTM & save data to variable "dr-response-data"
    dataLayer.push({
      'event': 'dr-response',
      'dr-response-data': drResponse[0]["Output Attribute"]
    });

  }).catch(function (e) {
    console.log("DR Error", e);
  });
</script>