send_clickstream.js

function sendClickStream(event_str){
  const uri = 'https://localhost'
  const params = {
    body: {
      "contentData": btoa(event_str),
      "Properties": {}
    },
    method: "POST"
  }

  fetch(uri , params)
  .then(data=>{return data.json()})
  .then(res=>{console.log(res)})
  .catch(error=>console.log(error))
 }