anchor.diff:  -include("config.hrl").
   
   -export([init/2]).
  --export([websocket_handle/3]).
  --export([websocket_info/3]).
  --export([terminate/3]).
  +-export([websocket_handle/2]).
  +-export([websocket_info/2]).
  +-export([terminate/2]).
   
   -record(state, {player_id, room_id}).
   
  
positive.code: 
  % Receive/External message Handler
  % Client that send messages to the server
  websocket_handle({text, Msg}, Req, State) ->
    erlang:display("dentro"),
    % The receiving message Msg is of type <<"[\"event\",data]">>
    io:format("Receiving message:~n~p~n", [jiffy:decode(Msg)]),
  
negative.code:   case binary_to_list(Event) of
      "rooms_list" ->
        global_rooms_state ! {rooms_list, self()},
        reply_ok(State);
      "room_join" ->
        Room_id = Data,
        Player = player:start(self()),
  