anchor.diff:  
   
               addPortlet: function(evt) {
  -                var portletChannelId, tabId, url, promise, tabName;
  +                var tabId, url, promise, tabName;
   
                   evt.preventDefault();
   
                   tabId = $(evt.currentTarget).data('tabId');
                   tabName = this._getTabNameById(tabId);
  -                portletChannelId = $(evt.currentTarget).data('portletChannelId');
   
                   url = '<c:url value="/api/layout"/>';
                   promise = $.ajax({
                       url: url,
                       data: {
                           action: 'addPortlet',
  -                        channelID: portletChannelId,
  +                        channelID: this.options.portletChannelId,
                           elementID: tabId,
                           position: ''
                       },
  
positive.code: 
  
              removeFavorite: function(evt) {
                  var portletChannelId, promise;
  
                  portletChannelId = $(evt.currentTarget).data('portletChannelId');
                  evt.data = {
                      context: '${rootContext}',
                      portletId: portletChannelId
                  };
  
                  promise = up.removeFromFavorite(evt);
  
negative.code:     </li>
      {% _.each(tabs, function(tab) { %}
          <li>
              <a href="javascript:;" class="marketplace_add_to_tab_link" data-tab-id="{%= tab.id %}">
                  <span>
                      {%- tab.name %}
                  </span>
  