text: module Twilio
    module Sandbox
      include Twilio::Resource
      @attributes = {}.with_indifferent_access
  
      def attributes
        @attributes.empty? ? reload! : @attributes
      end
  
      def reload!
        handle_response get path
      end
  
      %w<voice_url voice_method sms_url sms_method>.each do |meth|
        define_method "#{meth}=" do |arg|
          update_attributes meth => arg 
        end
      end
  
      private
      def path
        "/Accounts/#{Twilio::Config.account_sid}/Sandbox.json"
      end
      extend self
    end
  end