title: TypeError: callback is not a function
body: <p>I am just adding the events to calendar.</p>
  
  <p>============This is my Code============</p>
  
  <pre><code>events: function (start, end , callback) {
              var events = [];
              calEvents=Events.find();
              calEvents.forEach(function(evt){
                  events.push({
                      id:evt._id,
                      title:evt.title,
                      start:evt.date,
                  });
              });
              console.log(events);
              callback(events);
          },
  </code></pre>
  
  <p>But in console, I am getting this Error And None of events showing on calendar.</p>
  
  <p><strong>TypeError: callback is not a function</strong></p>