<script type="text/javascript">
window.addEventListener('goftino_sendMessage', function (d) {
    var message_type = d.detail.type;
    var message_content = d.detail.content;
    var pv = 1;
    if (sessionStorage.pv) {
      pv = pv + 1;
      sessionStorage.setItem("pv", pv);
    }
    else if (!sessionStorage.pv) {
      sessionStorage.setItem("pv", pv);
    }
    if(sessionStorage.pv == 1){
      dataLayer.push({
        'event': 'GoftinoInteractions',
        'eventCategory': 'chatbox',
        'eventAction': 'message sent'
      });
    }
    //alert(sessionStorage.pv);
});
</script>