youtubeAPI埋め込みのイベントから計測タグ発火させるサンプル

index.html

<script src="https://www.youtube.com/iframe_api""></script>
<!-- html設定サンプル -->
<div class="js-apiLoader" data-ytid="wUn05hdkhjM" data-an="{event}|{eventCategory}|{eventAction}|{eventLabel}"></div>
<div class="js-apiLoader" data-ytid="AhgwJyMPGNU" data-an="{event}|{eventCategory}|{eventAction}|{eventLabel}"></div>

index.js

  var onYouTubeIframeAPIReady = function(){  
    (function($) {
    $(function(){
      $('.js-apiLoader').each(function(){
        var _that = $(this);
        var ytid = _that.data('ytid');
        var andata = $(this).data('an');
        var splited_andata = andata.split('|');

        var player = new YT.Player(_that.get(0), {  
              videoId: ytid,
              width : 640,
              height: 360,
              events: {  
                  'onStateChange': function(e){
                      var status = e.data;  

                  // start, pause
                  if (status == YT.PlayerState.PAUSED || status == YT.PlayerState.PLAYING) {
                    console.log(andata);
                  dataLayer.push({'event':splited_andata[0],'eventCategory': splited_andata[1],'eventAction': splited_andata[2], 'eventLabel': splited_andata[3]});
                  }  
                  }
              }  
          });  
      })
    });
    })(jQuery);
  };