anchor.diff:                                       params => Params,
                                        cred_state => CredState
                                       })),
  -    Cmd = << Script/binary, EncodedJson/binary >>,
  -    CmdList = [Cmd],
  +    CmdLine = << Cmd/binary, EncodedJson/binary >>,
  +    CmdList = [CmdLine],
       {ok, State#state{cmd_list=CmdList,
                        connection = Connection, con_type = ConType}};
   create_command_list_and_update_state(_Mod, _Info, #{con_type := ConType},
  
positive.code:                                      #{con_type := ConType}, _Connection
                                       , State) ->
      {ok, State#state{error = no_cmd_mod, con_type = ConType}};
  create_command_list_and_update_state(Script, UserInfo, #{con_type := ConType},
                                       {ok, Connection}, State)
    when is_binary(Script) ->
      #{ uid := User,
         uidNumber := Uid,
         gidNumber := Gid,
  
negative.code: connect_to_service( _ )  ->
      throw(unknown_con_type).
  
  get_cmd(#{cmd := Cmd}) ->
      {ok, Cmd};
  get_cmd(_) ->
      {error, unknown_cmd_mod}.
  
  
  