docs: function(twitterStream, streamChannels){
    //transmit events
    for(var i=0; i<defaultEventsToTransmit.length; i++){
      (function(eventName){
        twitterStream.on(eventName,function(msg){
          streamChannels.emit(eventName, msg);
        });
      })(defaultEventsToTransmit[i]);
    }
    twitterStream.on('tweet',function(msg){
      helpers.onTweetEvent(msg, streamChannels);
    });
    return streamChannels;
  }