Codigo del Controller [ruby] class SessionsController < ApplicationController respond_to :json, only: :create def create sign_in_service = service :sign_in, params @result = sign_in_service.call if @result.valid? Services::SessionHandlerService.new(self).create @result.object render status: :ok, json: [] else render status: :unprocessable_entity, json: @result.errors end end end end [/ruby]