code: function (ui, done) {
  
          var bs = ui.bs;
  
          ui.clients.on("connection", function (client) {
  
              client.emit("ui:connection", ui.options.toJS());
  
              ui.options.get("clientFiles").map(function (item) {
                  if (item.get("active")) {
                      ui.addElement(client, item.toJS());
                  }
              });
          });
  
          ui.socket.on("connection", function (client) {
  
              client.emit("connection", bs.getOptions().toJS());
  
              client.emit("ui:connection", ui.options.toJS());
  
              client.on("ui:get:options", function () {
                  client.emit("ui:receive:options", {
                      bs: bs.getOptions().toJS(),
                      ui: ui.options.toJS()
                  });
              });
  
              // proxy client events
              client.on("ui:client:proxy", function (evt) {
                  ui.clients.emit(evt.event, evt.data);
              });
  
              client.on("ui", function (data) {
                  ui.delegateEvent(data);
              });
          });
          done();
      }
docs: The most important event is the initial connection where
  the options are received from the socket
  @param ui
  @param done