# File lib/active_merchant/billing/integrations/two_checkout/helper.rb, line 50
          def customer(params = {})
            add_field(mappings[:customer][:email], params[:email])
            add_field(mappings[:customer][:phone], params[:phone])
            add_field('card_holder_name', "#{params[:first_name]} #{params[:last_name]}")
          end