# File lib/braintree/transparent_redirect_gateway.rb, line 80
    def update_customer_data(params)
      Util.verify_keys(UpdateCustomerSignature, params)
      unless params[:customer_id]
        raise ArgumentError, "expected params to contain :customer_id of customer to update"
      end
      params[:kind] = TransparentRedirect::Kind::UpdateCustomer
      _data(params)
    end