Any example show how to send a message to erlang node? about ergo HOT 4 CLOSED

-module(my_bank).
-behavior(gen_server).
-export([start/0,stop/0,new_account/1,deposit/2,withdraw/2,
        init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).

%%====================================================================
%% server interface function
%%====================================================================
start()->
    gen_server:start_link({local,?MODULE}, ?MODULE,[],[]).

stop()->
    gen_server:call(?MODULE,stop).

new_account(Who)->
    gen_server:call(?MODULE,{new,Who}).

deposit(Who,Amount)->
    gen_server:call(?MODULE,{add,Who,Amount}).

withdraw(Who,Amount)->
    gen_server:call(?MODULE,{remove,Who,Amount}).

%%====================================================================
%% gen_server callbacks
%%====================================================================
init([]) ->
    Init=ets:new(?MODULE,[]),
    io:format("init ~p ~p",[Init,?MODULE]),
    {ok, Init}.

handle_call({new,Who}, _From, State) ->
    Reply = case ets:lookup(State,Who) of
        []->ets:insert(State,{Who,0}),
            {welcome,Who};
        [_]->{exsits,Who,you_already_are_a_customer}
    end,
    {reply, Reply, State}; 
handle_call({add,Who,Amount},_From,State)->
    Reply = case ets:lookup(State,Who) of
        []->not_a_customer;
        [{Who,Balance}]->
            NewBalance=Balance+Amount,
            ets:insert(State,{Who,NewBalance}),
            {thanks,Who,you_balance_is,NewBalance}
    end,
    {reply, Reply, State}; 
handle_call({remove,Who,Amount},_From,State)->
    Reply = case ets:lookup(State,Who) of
        []->not_a_customer;
        [{Who,Balance}] when Amount =< Balance ->
            NewBalance=Balance-Amount,
            ets:insert(State,{Who,NewBalance}),
            {thanks,Who,your_balance_is,NewBalance};
        [{Who,Balance}]->
            {sorry,Who,you_only_have,Balance,in_the_bank}
    end,
    {reply, Reply, State}.

handle_cast(_Msg, State) ->
    {noreply, State}.

handle_info(_Info, State) ->
    {noreply, State}.

terminate(_Reason, _State) ->
    io:format("is terminate.",[]),
    ok.

code_change(_OldVsn, State, _Extra) ->
    {ok, State}.

ret, _ := process.Call(etf.Tuple{"my_bank", "erlmain@locahost"}, etf.Tuple{etf.Atom("remove"), "tyt", 1}) 

receive                                   
        {'$gen_call', _From, Message} ->        % in case of using Process.Call
            io:format("Got 'call' message: ~p", [Message]),
            % you have to reply on it with correct answer like this https://github.coml/halturin/ergo/blob/master/gen_server.go#L81
            % otherwise Process.Call fail with timeout
            loop();                           
        {'$gen_cast', Message} ->  % in case of using Process.Cast            
            % you don't have to reply here
            io:format("Got 'cast' message: ~p", [Message]), 
            loop();          
        OtherMessage -> % in case of using Process.Send             
            io:format("Got 'other' message: ~p", [OtherMessage]),
            loop()
    end.