Adding/Removing eventSources FullCalendar

I'd like to be able to filter events based on adding and removing eventSources. I can't find a good example of this being done.

.fullCalendar( 'addEventSource', source )
.fullCalendar( 'removeEventSource', source )

I'd like to have check boxes that toggle the execution of those functions. I can't seem to get the functionality working though.

$( "#target" ).click(function() { 
  $('#calendar').fullCalendar( 'removeEventSource', 'Event1' );

Here is my full code:

      header: {
    left: 'title',
    center: 'prev,next',
    right: 'month,agendaWeek,agendaDay,today'
       eventLimit: {
    'agenda': 4, // adjust to 6 only for agendaWeek/agendaDay
    'default': true // give the default value to other views
          eventSources: [
               title: 'Event1',
                url: "http://www.google.com/calendar/feeds/usa__en%40holiday.calendar.google.com/public/basic"


                url: 'https://www.google.com/calendar/feeds/vineyardcincinnati.com_o6jncckm5ka55fpragnbp4mk9c%40group.calendar.google.com/public/basic'
        url: "https://www.google.com/calendar/feeds/ht3jlfaac5lfd6263ulfh4tql8%40group.calendar.google.com/public/basic"

        eventClick: function(event) {
            // opens events in a popup window
            window.open(event.url, 'gcalevent', 'width=700,height=600');
            return false;

        loading: function(bool) {
            if (bool) {



  • Here is the full code I used to get this functionality:


    <form id="#calendar_list">
    <input class="checkbox" type="checkbox"  checked>Event Group 1<br> 
    <input class="checkbox1" type="checkbox"  checked>Event Group 2<br> 
    <input class="checkbox2" type="checkbox"  checked>Event Group 3<br> 


        $(".checkbox").change(function() {
        if(this.checked) {
          $('#calendar').fullCalendar( 'addEventSource',  'https://www.google.com/calendar/feeds/vineyardcincinnati.com_o6jncckm5ka55fpragnbp4mk9c%40group.calendar.google.com/public/basic' );
        $('#calendar').fullCalendar( 'removeEventSource',  'https://www.google.com/calendar/feeds/vineyardcincinnati.com_o6jncckm5ka55fpragnbp4mk9c%40group.calendar.google.com/public/basic' );