diff --git a/lib/netsuite.rb b/lib/netsuite.rb
index 0e28e5711..bb41c014e 100644
--- a/lib/netsuite.rb
+++ b/lib/netsuite.rb
@@ -49,6 +49,7 @@ module Support
 
   module Actions
     autoload :Add,              'netsuite/actions/add'
+    autoload :AddList,          'netsuite/actions/add_list'
     autoload :Delete,           'netsuite/actions/delete'
     autoload :DeleteList,       'netsuite/actions/delete_list'
     autoload :Get,              'netsuite/actions/get'
diff --git a/lib/netsuite/actions/add_list.rb b/lib/netsuite/actions/add_list.rb
new file mode 100644
index 000000000..48160d320
--- /dev/null
+++ b/lib/netsuite/actions/add_list.rb
@@ -0,0 +1,118 @@
+# https://system.eu1.netsuite.com/app/help/helpcenter.nl?fid=section_N3481360.html
+module NetSuite
+  module Actions
+    class AddList
+      include Support::Requests
+
+      def initialize(*objects)
+        @objects = objects
+      end
+
+      private
+
+      def request(credentials={})
+        NetSuite::Configuration.connection(
+          { element_form_default: :unqualified }, credentials
+        ).call(:add_list, message: request_body)
+      end
+
+      # <soap:Body>
+      #   <addList>
+      #     <record xsi:type="listRel:Customer" externalId="ext1">
+      #       <listRel:entityId>Shutter Fly</listRel:entityId>
+      #       <listRel:companyName>Shutter Fly, Inc</listRel:companyName>
+      #     </record>
+      #     <record xsi:type="listRel:Customer" externalId="ext2">
+      #       <listRel:entityId>Target</listRel:entityId>
+      #       <listRel:companyName>Target</listRel:companyName>
+      #     </record>
+      #   </addList>
+      # </soap:Body>
+      def request_body
+        attrs = @objects.map do |o|
+          hash = o.to_record.merge({
+            '@xsi:type' => o.record_type
+          })
+
+          if o.respond_to?(:external_id) && o.external_id
+            hash['@externalId'] = o.external_id
+          end
+
+          hash
+        end
+
+        { 'record' => attrs }
+      end
+
+      def response_hash
+        @response_hash ||= Array[@response.body[:add_list_response][:write_response_list][:write_response]].flatten
+      end
+
+      def response_body
+        @response_body ||= response_hash.map { |h| h[:base_ref] }
+      end
+
+      def response_errors
+        if response_hash.any? { |h| h[:status] && h[:status][:status_detail] }
+          @response_errors ||= errors
+        end
+      end
+
+      def errors
+        errors = response_hash.select { |h| h[:status] }.each_with_index.map do |obj, index|
+          error_obj = obj[:status][:status_detail]
+          next if error_obj.nil?
+          error_obj = [error_obj] if error_obj.class == Hash
+          errors = error_obj.map do |error|
+            NetSuite::Error.new(error)
+          end
+
+          external_id =
+            (obj[:base_ref] && obj[:base_ref][:@external_id]) ||
+            (@objects[index].respond_to?(:external_id) && @objects[index].external_id)
+          [external_id, errors]
+        end
+        Hash[errors]
+      end
+
+      def success?
+        @success ||= response_hash.all? { |h| h[:status][:@is_success] == 'true' }
+      end
+
+      module Support
+
+        def self.included(base)
+          base.extend(ClassMethods)
+        end
+
+        module ClassMethods
+          def add_list(records, credentials = {})
+            netsuite_records = records.map do |r|
+              if r.is_a?(self)
+                r
+              else
+                new(r)
+              end
+            end
+
+            response = NetSuite::Actions::AddList.call(netsuite_records, credentials)
+
+            if response.success?
+              response.body.map do |attr|
+                record = netsuite_records.find do |r|
+                  r.external_id == attr[:@external_id]
+                end
+
+                record.instance_variable_set('@internal_id', attr[:@internal_id])
+              end
+
+              netsuite_records
+            else
+              false
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/netsuite/records/account.rb b/lib/netsuite/records/account.rb
index b749f9596..f58a8507b 100644
--- a/lib/netsuite/records/account.rb
+++ b/lib/netsuite/records/account.rb
@@ -7,7 +7,7 @@ class Account
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :delete, :search, :upsert
+      actions :get, :get_list, :add, :add_list, :update, :delete, :search, :upsert
 
       fields :acct_name, :acct_number, :acct_type, :cash_flow_rate, :cur_doc_num, :description, :eliminate, :exchange_rate,
         :general_rate, :include_children, :inventory, :is_inactive, :opening_balance, :revalue, :tran_date, :balance
diff --git a/lib/netsuite/records/accounting_period.rb b/lib/netsuite/records/accounting_period.rb
index 5dd04b346..1644dec44 100644
--- a/lib/netsuite/records/accounting_period.rb
+++ b/lib/netsuite/records/accounting_period.rb
@@ -6,7 +6,7 @@ class AccountingPeriod
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :delete, :upsert, :search
 
       fields :allow_non_gl_changes, :end_date, :is_adjust, :is_quarter, :is_year, :period_name, :start_date
 
diff --git a/lib/netsuite/records/assembly_build.rb b/lib/netsuite/records/assembly_build.rb
index 0c83114bd..b579e5ccc 100644
--- a/lib/netsuite/records/assembly_build.rb
+++ b/lib/netsuite/records/assembly_build.rb
@@ -8,7 +8,7 @@ class AssemblyBuild
 	  include Support::Fields
       include Namespaces::TranInvt
 
-      actions :get, :add, :initialize, :delete, :update, :upsert, :upsert_list,
+      actions :get, :add, :add_list, :initialize, :delete, :update, :upsert, :upsert_list,
         :search
 
       fields :bin_numbers, :buildable, :created_date, :expiration_date,
diff --git a/lib/netsuite/records/assembly_item.rb b/lib/netsuite/records/assembly_item.rb
index e259617dc..35fdb9632 100644
--- a/lib/netsuite/records/assembly_item.rb
+++ b/lib/netsuite/records/assembly_item.rb
@@ -7,7 +7,7 @@ class AssemblyItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :get_select_value, :add, :delete, :update, :upsert, :upsert_list, :search
+      actions :get, :get_list, :get_select_value, :add, :add_list, :delete, :update, :upsert, :upsert_list, :search
 
       fields :auto_lead_time, :auto_preferred_stock_level, :auto_reorder_point, :available_to_partners, :average_cost, :build_entire_assembly,
         :copy_description, :cost, :cost_estimate, :cost_estimate_type, :cost_estimate_units, :cost_units, :costing_method,
diff --git a/lib/netsuite/records/assembly_unbuild.rb b/lib/netsuite/records/assembly_unbuild.rb
index 1b0aa045a..98db5cca7 100644
--- a/lib/netsuite/records/assembly_unbuild.rb
+++ b/lib/netsuite/records/assembly_unbuild.rb
@@ -8,7 +8,7 @@ class AssemblyUnbuild
 	  include Support::Fields
       include Namespaces::TranInvt
 
-      actions :get, :add, :initialize, :delete, :update, :upsert, :upsert_list,
+      actions :get, :add, :add_list, :initialize, :delete, :update, :upsert, :upsert_list,
         :search
 
       fields :bin_numbers, :built, :created_date, :expiration_date,
diff --git a/lib/netsuite/records/billing_schedule.rb b/lib/netsuite/records/billing_schedule.rb
index a05977a02..37c2f32f7 100644
--- a/lib/netsuite/records/billing_schedule.rb
+++ b/lib/netsuite/records/billing_schedule.rb
@@ -7,7 +7,7 @@ class BillingSchedule
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :add, :delete, :upsert, :search
+      actions :get, :add, :add_list, :delete, :upsert, :search
 
       fields :bill_for_actuals, :day_period, :frequency, :in_arrears, :initial_amount, :is_inactive,
         :is_public, :month_dom, :month_dow, :month_dowim, :month_mode, :name,
diff --git a/lib/netsuite/records/bin.rb b/lib/netsuite/records/bin.rb
index 8a55d3c89..47f19e5e3 100644
--- a/lib/netsuite/records/bin.rb
+++ b/lib/netsuite/records/bin.rb
@@ -13,7 +13,7 @@ class Bin
       attr_reader   :internal_id
       attr_accessor :external_id
 
-      actions :get, :add, :delete, :search, :update, :upsert
+      actions :get, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :bin_number, :is_inactive, :location, :memo
 
diff --git a/lib/netsuite/records/bin_transfer.rb b/lib/netsuite/records/bin_transfer.rb
index d188c7c63..32c9b2d1f 100644
--- a/lib/netsuite/records/bin_transfer.rb
+++ b/lib/netsuite/records/bin_transfer.rb
@@ -7,7 +7,7 @@ class BinTransfer
       include Support::Actions
       include Namespaces::TranInvt
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :created_date, :last_modified_date, :memo, :subsidiary, :tran_date, :tran_id
 
diff --git a/lib/netsuite/records/cash_refund.rb b/lib/netsuite/records/cash_refund.rb
index a4c9b46ab..bdc1c2c0a 100644
--- a/lib/netsuite/records/cash_refund.rb
+++ b/lib/netsuite/records/cash_refund.rb
@@ -7,7 +7,7 @@ class CashRefund
       include Support::Actions
       include Namespaces::TranCust
 
-      actions :get, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :alt_handling_cost,
         :alt_shipping_cost,
diff --git a/lib/netsuite/records/cash_sale.rb b/lib/netsuite/records/cash_sale.rb
index 97fe2d042..837a7c60f 100644
--- a/lib/netsuite/records/cash_sale.rb
+++ b/lib/netsuite/records/cash_sale.rb
@@ -7,7 +7,7 @@ class CashSale
       include Support::Actions
       include Namespaces::TranSales
 
-      actions :get, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :alt_handling_cost, :alt_shipping_cost, :auth_code, :bill_address, :cc_approved, :cc_expire_date, :cc_is_purchase_card_bin,
         :cc_name, :cc_number, :cc_process_as_purchas_card, :cc_security_code, :cc_street, :cc_zip_code, :charge_it, :contrib_pct, :created_date,
diff --git a/lib/netsuite/records/contact.rb b/lib/netsuite/records/contact.rb
index 2934453f0..c926f8a52 100644
--- a/lib/netsuite/records/contact.rb
+++ b/lib/netsuite/records/contact.rb
@@ -7,7 +7,7 @@ class Contact
       include Support::Actions
       include Namespaces::ListRel
 
-      actions :get, :get_list, :add, :delete, :delete_list, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :delete_list, :search, :update, :upsert
 
       fields :salutation, :first_name, :middle_name, :last_name, :title, :phone, :fax, :email, :default_address,
              :entity_id, :phonetic_name, :alt_email, :office_phone, :home_phone, :mobile_phone, :supervisor_phone,
diff --git a/lib/netsuite/records/credit_memo.rb b/lib/netsuite/records/credit_memo.rb
index b9999c869..bb5e7f814 100644
--- a/lib/netsuite/records/credit_memo.rb
+++ b/lib/netsuite/records/credit_memo.rb
@@ -7,7 +7,7 @@ class CreditMemo
       include Support::Actions
       include Namespaces::TranCust
 
-      actions :get, :get_deleted, :get_list, :add, :initialize, :delete, :update, :upsert, :upsert_list, :search
+      actions :get, :get_deleted, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :upsert_list, :search
 
       fields :alt_handling_cost, :alt_shipping_cost, :amount_paid, :amount_remaining, :auto_apply, :balance,
         :bill_address, :contrib_pct, :created_date, :currency_name, :deferred_revenue, :discount_rate, :email,
diff --git a/lib/netsuite/records/currency.rb b/lib/netsuite/records/currency.rb
index 53b58800b..84b0158d9 100644
--- a/lib/netsuite/records/currency.rb
+++ b/lib/netsuite/records/currency.rb
@@ -10,7 +10,7 @@ class Currency
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2014_1/schema/record/currency.html
 
-      actions :get, :get_list, :get_all, :add, :update, :upsert, :upsert_list, :delete
+      actions :get, :get_list, :get_all, :add, :add_list, :update, :upsert, :upsert_list, :delete
 
       fields :name, :symbol, :is_base_currency, :is_inactive, :override_currency_format, :display_symbol, :symbol_placement,
              :locale, :formatSample, :exchangeRate, :fx_rate_update_timezone, :incl_in_fx_rate_updates, :currency_precision
diff --git a/lib/netsuite/records/custom_list.rb b/lib/netsuite/records/custom_list.rb
index 3112b7e2a..c54eecaaa 100644
--- a/lib/netsuite/records/custom_list.rb
+++ b/lib/netsuite/records/custom_list.rb
@@ -6,7 +6,7 @@ class CustomList
       include Support::Actions
       include Namespaces::SetupCustom
 
-      actions :get, :update, :get_list, :add, :delete, :search, :upsert
+      actions :get, :update, :get_list, :add, :add_list, :delete, :search, :upsert
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2014_1/schema/record/customlist.html
       fields :description, :name, :is_ordered, :script_id, :convert_to_custom_record,
diff --git a/lib/netsuite/records/custom_record.rb b/lib/netsuite/records/custom_record.rb
index d12fa0915..1f8c53788 100644
--- a/lib/netsuite/records/custom_record.rb
+++ b/lib/netsuite/records/custom_record.rb
@@ -7,7 +7,7 @@ class CustomRecord
       include Support::Actions
       include Namespaces::SetupCustom
 
-      actions :get, :update, :get_list, :add, :delete, :search, :upsert
+      actions :get, :update, :get_list, :add, :add_list, :delete, :search, :upsert
 
       fields :allow_attachments, :allow_inline_editing, :allow_numbering_override, :allow_quick_search, :alt_name, :auto_name,
         :created, :custom_record_id, :description, :disclaimer, :enabl_email_merge, :enable_numbering, :include_name,
diff --git a/lib/netsuite/records/custom_record_type.rb b/lib/netsuite/records/custom_record_type.rb
index 355ca73f3..bd86cd1f8 100644
--- a/lib/netsuite/records/custom_record_type.rb
+++ b/lib/netsuite/records/custom_record_type.rb
@@ -5,7 +5,7 @@ class CustomRecordType
       include Support::RecordRefs
       include Support::Actions
 
-      actions :get, :get_list, :add, :delete, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :upsert
 
       fields :allow_attachments, :allow_inline_editing, :allow_numbering_override, :allow_quick_search, :description,
         :disclaimer, :enable_mail_merge, :enable_numbering, :include_name, :is_available_offline, :is_inactive,
diff --git a/lib/netsuite/records/customer.rb b/lib/netsuite/records/customer.rb
index 055088713..55915baa8 100644
--- a/lib/netsuite/records/customer.rb
+++ b/lib/netsuite/records/customer.rb
@@ -7,7 +7,7 @@ class Customer
       include Support::Actions
       include Namespaces::ListRel
 
-      actions :get, :get_list, :add, :update, :upsert, :upsert_list, :delete, :delete_list, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :upsert_list, :delete, :delete_list, :search
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2014_1/schema/record/customer.html
 
diff --git a/lib/netsuite/records/customer_category.rb b/lib/netsuite/records/customer_category.rb
index a249d2c0d..a40fb9433 100644
--- a/lib/netsuite/records/customer_category.rb
+++ b/lib/netsuite/records/customer_category.rb
@@ -9,7 +9,7 @@ class CustomerCategory
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :get_all, :add, :update, :delete, :search
+      actions :get, :get_list, :get_all, :add, :add_list, :update, :delete, :search
 
       fields :name, :is_inactive
 
diff --git a/lib/netsuite/records/customer_deposit.rb b/lib/netsuite/records/customer_deposit.rb
index 0503300c9..c4214a315 100644
--- a/lib/netsuite/records/customer_deposit.rb
+++ b/lib/netsuite/records/customer_deposit.rb
@@ -10,7 +10,7 @@ class CustomerDeposit
       include Support::Records
       include Namespaces::TranCust
 
-      actions :get, :get_list, :initialize, :add, :delete, :update, :upsert, :search
+      actions :get, :get_list, :initialize, :add, :add_list, :delete, :update, :upsert, :search
 
       fields :created_date, :last_modified_date, :status, :payment, :tran_date, :exchange_rate, :undep_funds, :memo,
              :check_num, :klass, :currency_name, :is_recurring_payment, :tran_id, :auth_code,
diff --git a/lib/netsuite/records/customer_payment.rb b/lib/netsuite/records/customer_payment.rb
index 9baab81fc..35e445c79 100644
--- a/lib/netsuite/records/customer_payment.rb
+++ b/lib/netsuite/records/customer_payment.rb
@@ -7,7 +7,7 @@ class CustomerPayment
       include Support::Actions
       include Namespaces::TranCust
 
-      actions :get, :get_list, :initialize, :add, :delete, :update, :upsert, :search
+      actions :get, :get_list, :initialize, :add, :add_list, :delete, :update, :upsert, :search
 
       fields :auth_code, :auto_apply, :cc_approved, :cc_avs_street_match, :cc_avs_zip_match,
         :cc_expire_date, :cc_name, :cc_number, :cc_security_code, :cc_security_code_match, :cc_street, :cc_zip_code,
diff --git a/lib/netsuite/records/customer_refund.rb b/lib/netsuite/records/customer_refund.rb
index 4f6398e40..90d143e24 100644
--- a/lib/netsuite/records/customer_refund.rb
+++ b/lib/netsuite/records/customer_refund.rb
@@ -7,7 +7,7 @@ class CustomerRefund
       include Support::Actions
       include Namespaces::TranCust
 
-      actions :get, :get_list, :initialize, :add, :delete, :update, :upsert, :search
+      actions :get, :get_list, :initialize, :add, :add_list, :delete, :update, :upsert, :search
 
       fields :address, :cc_approved, :cc_expire_date, :cc_name, :cc_number, :cc_street, :cc_zip_code, :charge_it,
         :created_date, :currency_name, :debit_card_issue_no, :exchange_rate, :last_modified_date, :memo, :pn_ref_num, :status,
diff --git a/lib/netsuite/records/customer_status.rb b/lib/netsuite/records/customer_status.rb
index cb7f54263..65a499981 100644
--- a/lib/netsuite/records/customer_status.rb
+++ b/lib/netsuite/records/customer_status.rb
@@ -10,7 +10,7 @@ class CustomerStatus
       include Support::Actions
       include Namespaces::ListRel
 
-      actions :get, :add, :delete, :search, :update, :upsert
+      actions :get, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :description, :include_in_lead_reports, :is_inactive, :name,
              :probability, :stage
diff --git a/lib/netsuite/records/department.rb b/lib/netsuite/records/department.rb
index 1c09659a8..dbbc88adf 100644
--- a/lib/netsuite/records/department.rb
+++ b/lib/netsuite/records/department.rb
@@ -6,7 +6,7 @@ class Department
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :get_select_value, :add, :delete, :upsert,
+      actions :get, :get_list, :get_select_value, :add, :add_list, :delete, :upsert,
         :search, :update
 
       fields :name, :is_inactive
diff --git a/lib/netsuite/records/deposit.rb b/lib/netsuite/records/deposit.rb
index 9f1eec3f8..857e2edeb 100644
--- a/lib/netsuite/records/deposit.rb
+++ b/lib/netsuite/records/deposit.rb
@@ -7,7 +7,7 @@ class Deposit
       include Support::Actions
       include Namespaces::TranBank
 
-      actions :get, :get_list, :add, :delete, :upsert, :update, :search
+      actions :get, :get_list, :add, :add_list, :delete, :upsert, :update, :search
 
       fields :created_date, :last_modified_date, :currency_name, :exchange_rate, :tran_id, :total, :tran_date, :memo, :to_be_printed
 
diff --git a/lib/netsuite/records/deposit_application.rb b/lib/netsuite/records/deposit_application.rb
index 536778848..2078c56b0 100644
--- a/lib/netsuite/records/deposit_application.rb
+++ b/lib/netsuite/records/deposit_application.rb
@@ -7,7 +7,7 @@ class DepositApplication
       include Support::Actions
       include Namespaces::TranCust
 
-      actions :get, :get_list, :initialize, :add, :delete, :update, :upsert, :search
+      actions :get, :get_list, :initialize, :add, :add_list, :delete, :update, :upsert, :search
 
       fields :applied,
         :created_date,
diff --git a/lib/netsuite/records/description_item.rb b/lib/netsuite/records/description_item.rb
index 7a4d3a442..2c0763da4 100644
--- a/lib/netsuite/records/description_item.rb
+++ b/lib/netsuite/records/description_item.rb
@@ -7,7 +7,7 @@ class SubtotalItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields  :available_to_partners, :created_date, :description, :display_name, :include_children, :is_inactive, :item_id, :last_modified_date
 
diff --git a/lib/netsuite/records/discount_item.rb b/lib/netsuite/records/discount_item.rb
index db1cc7827..b4b8030ae 100644
--- a/lib/netsuite/records/discount_item.rb
+++ b/lib/netsuite/records/discount_item.rb
@@ -7,7 +7,7 @@ class DiscountItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :delete, :search, :upsert
+      actions :get, :get_list, :add, :add_list, :update, :delete, :search, :upsert
 
       fields :available_to_partners, :created_date, :description, :display_name, :include_children, :is_inactive, :is_pre_tax,
         :item_id, :last_modified_date, :non_posting, :rate, :upc_code, :vendor_name
diff --git a/lib/netsuite/records/employee.rb b/lib/netsuite/records/employee.rb
index 5b59cbc71..96eee7756 100644
--- a/lib/netsuite/records/employee.rb
+++ b/lib/netsuite/records/employee.rb
@@ -9,7 +9,7 @@ class Employee
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2014_1/script/record/employee.html
 
-      actions :get, :get_list, :add, :update, :upsert, :upsert_list, :delete, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :upsert_list, :delete, :search
 
       fields :alt_name, :phone, :first_name, :last_name, :is_inactive, :email, :give_access, :send_email, :is_support_rep,
              :birth_date, :hire_date, :last_review_date, :next_review_date, :title, :home_phone, :office_phone,
diff --git a/lib/netsuite/records/file.rb b/lib/netsuite/records/file.rb
index 096bd7af3..1978afbfc 100644
--- a/lib/netsuite/records/file.rb
+++ b/lib/netsuite/records/file.rb
@@ -9,7 +9,7 @@ class File
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2014_1/schema/record/file.html
 
-      actions :get, :add, :delete, :search, :get_list
+      actions :get, :add, :add_list, :delete, :search, :get_list
 
       fields :content, :description, :name, :media_type_name, :file_type, :text_file_encoding, :created_date, :last_modified_date
 
diff --git a/lib/netsuite/records/gift_cert_redemption.rb b/lib/netsuite/records/gift_cert_redemption.rb
index cb11c8231..c3fade45f 100644
--- a/lib/netsuite/records/gift_cert_redemption.rb
+++ b/lib/netsuite/records/gift_cert_redemption.rb
@@ -7,7 +7,7 @@ class GiftCertRedemption
       include Support::Actions
       include Namespaces::TranSales
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :auth_code_amt_remaining, :auth_code_applied, :gift_cert_available
 
diff --git a/lib/netsuite/records/gift_certificate.rb b/lib/netsuite/records/gift_certificate.rb
index bd3e7ed98..722840cd7 100644
--- a/lib/netsuite/records/gift_certificate.rb
+++ b/lib/netsuite/records/gift_certificate.rb
@@ -7,7 +7,7 @@ class GiftCertificate
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :amount_remaining, :created_date, :email, :expiration_date, :gift_cert_code,
              :last_modified_date, :message, :name, :original_amount, :sender
diff --git a/lib/netsuite/records/gift_certificate_item.rb b/lib/netsuite/records/gift_certificate_item.rb
index beb52f11b..2be89dbc4 100644
--- a/lib/netsuite/records/gift_certificate_item.rb
+++ b/lib/netsuite/records/gift_certificate_item.rb
@@ -7,7 +7,7 @@ class GiftCertificateItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :upsert
 
       fields :auth_codes_list,
         :available_to_partners,
diff --git a/lib/netsuite/records/inbound_shipment.rb b/lib/netsuite/records/inbound_shipment.rb
index 380fbc7db..679250645 100644
--- a/lib/netsuite/records/inbound_shipment.rb
+++ b/lib/netsuite/records/inbound_shipment.rb
@@ -7,7 +7,7 @@ class InboundShipment
       include Support::Actions
       include Namespaces::TranPurch
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :upsert_list, :search, :update_list
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :upsert_list, :search, :update_list
 
       fields :shipment_number, :external_document_number, :shipment_status, :expected_shipping_date,
             :actual_shipping_date, :expected_delivery_date, :actual_delivery_date, :shipment_memo,
diff --git a/lib/netsuite/records/inter_company_journal_entry.rb b/lib/netsuite/records/inter_company_journal_entry.rb
index 57bb64d57..c9df66293 100644
--- a/lib/netsuite/records/inter_company_journal_entry.rb
+++ b/lib/netsuite/records/inter_company_journal_entry.rb
@@ -7,7 +7,7 @@ class InterCompanyJournalEntry
       include Support::Actions
       include Namespaces::TranGeneral
 
-      actions :get, :get_list, :add, :delete, :search, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :upsert
 
       fields :approved, :created_date, :exchange_rate, :is_book_specific, :last_modified_date, :memo, :reversal_date, :reversal_defer,
         :reversal_entry, :tran_date, :tran_id
diff --git a/lib/netsuite/records/inventory_adjustment.rb b/lib/netsuite/records/inventory_adjustment.rb
index 74cc61a5b..6ba252f1f 100644
--- a/lib/netsuite/records/inventory_adjustment.rb
+++ b/lib/netsuite/records/inventory_adjustment.rb
@@ -7,7 +7,7 @@ class InventoryAdjustment
       include Support::Actions
       include Namespaces::TranInvt
 
-      actions :get, :add, :delete, :search, :update, :upsert, :upsert_list
+      actions :get, :add, :add_list, :delete, :search, :update, :upsert, :upsert_list
 
       fields :created_date, :estimated_total_value, :last_modified_date, :tran_date, :tran_id, :memo
 
diff --git a/lib/netsuite/records/inventory_item.rb b/lib/netsuite/records/inventory_item.rb
index af8165e5e..4c3dd8f9c 100644
--- a/lib/netsuite/records/inventory_item.rb
+++ b/lib/netsuite/records/inventory_item.rb
@@ -20,7 +20,7 @@ class InventoryItem
       #     }
       #  ]
       #
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert, :update_list
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert, :update_list
 
       fields :auto_lead_time, :auto_preferred_stock_level, :auto_reorder_point, :available_to_partners, :average_cost,
         :copy_description, :cost, :cost_estimate, :cost_estimate_type, :cost_estimate_units, :cost_units, :costing_method,
diff --git a/lib/netsuite/records/inventory_transfer.rb b/lib/netsuite/records/inventory_transfer.rb
index 4e36be04f..c351f04bc 100644
--- a/lib/netsuite/records/inventory_transfer.rb
+++ b/lib/netsuite/records/inventory_transfer.rb
@@ -7,7 +7,7 @@ class InventoryTransfer
       include Support::Actions
       include Namespaces::TranInvt
 
-      actions :get, :add, :delete, :search, :update, :upsert, :upsert_list
+      actions :get, :add, :add_list, :delete, :search, :update, :upsert, :upsert_list
 
       fields :klass, :created_date, :last_modified_date, :tran_date, :tran_id, :memo
 
diff --git a/lib/netsuite/records/invoice.rb b/lib/netsuite/records/invoice.rb
index 99ea37250..ce82cb8c3 100644
--- a/lib/netsuite/records/invoice.rb
+++ b/lib/netsuite/records/invoice.rb
@@ -9,7 +9,7 @@ class Invoice
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2014_1/schema/record/invoice.html?mode=package
 
-      actions :get, :get_deleted, :get_list, :initialize, :add, :update, :delete, :upsert, :upsert_list, :search
+      actions :get, :get_deleted, :get_list, :initialize, :add, :add_list, :update, :delete, :upsert, :upsert_list, :search
 
       fields :balance, :bill_address,
         :billing_schedule, :contrib_pct, :created_date, :currency_name, :custom_field_list,
diff --git a/lib/netsuite/records/item_fulfillment.rb b/lib/netsuite/records/item_fulfillment.rb
index fd5e691d3..a61e934c0 100644
--- a/lib/netsuite/records/item_fulfillment.rb
+++ b/lib/netsuite/records/item_fulfillment.rb
@@ -7,7 +7,7 @@ class ItemFulfillment
       include Support::Actions
       include Namespaces::TranSales
 
-      actions :get, :get_list, :add, :initialize, :update, :delete, :search, :upsert, :upsert_list
+      actions :get, :get_list, :add, :add_list, :initialize, :update, :delete, :search, :upsert, :upsert_list
 
       fields :tran_date, :tran_id, :shipping_cost, :memo, :ship_company, :ship_attention, :ship_addr1,
         :ship_addr2, :ship_city, :ship_state, :ship_zip, :ship_phone, :ship_is_residential,
diff --git a/lib/netsuite/records/item_group.rb b/lib/netsuite/records/item_group.rb
index 3cda03efb..af9f4695e 100644
--- a/lib/netsuite/records/item_group.rb
+++ b/lib/netsuite/records/item_group.rb
@@ -7,7 +7,7 @@ class ItemGroup
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :available_to_partners, :created_date, :description, :display_name, :include_children, :include_start_end_lines,
              :is_inactive, :is_vsoe_bundle, :item_id, :last_modified_date, :print_items, :upc_code, :vendor_name
diff --git a/lib/netsuite/records/item_receipt.rb b/lib/netsuite/records/item_receipt.rb
index 798b2b70c..eb6acf8af 100644
--- a/lib/netsuite/records/item_receipt.rb
+++ b/lib/netsuite/records/item_receipt.rb
@@ -7,7 +7,7 @@ class ItemReceipt
       include Support::Actions
       include Namespaces::TranPurch
 
-      actions :get, :get_deleted, :get_list, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :get_deleted, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :created_date, :currency_name, :exchange_rate, :landed_cost_per_line,
              :last_modified_date, :memo, :tran_date, :tran_id
diff --git a/lib/netsuite/records/job.rb b/lib/netsuite/records/job.rb
index dcfb5e59f..8988b9321 100644
--- a/lib/netsuite/records/job.rb
+++ b/lib/netsuite/records/job.rb
@@ -7,7 +7,7 @@ class Job
       include Support::Actions
       include Namespaces::ListRel
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :account_number, :allocate_payroll_expenses, :allow_all_resources_for_tasks, :allow_expenses, :allow_time,
         :alt_name, :alt_phone, :bill_pay, :calculated_end_date, :calculated_end_date_baseline, :comments, :company_name,
diff --git a/lib/netsuite/records/job_status.rb b/lib/netsuite/records/job_status.rb
index 05b82d57f..29ba80fb3 100644
--- a/lib/netsuite/records/job_status.rb
+++ b/lib/netsuite/records/job_status.rb
@@ -7,7 +7,7 @@ class JobStatus
       include Support::Actions
       include Namespaces::ListRel
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :description, :is_inactive, :name
 
diff --git a/lib/netsuite/records/journal_entry.rb b/lib/netsuite/records/journal_entry.rb
index 30504e445..bbec4e524 100644
--- a/lib/netsuite/records/journal_entry.rb
+++ b/lib/netsuite/records/journal_entry.rb
@@ -7,7 +7,7 @@ class JournalEntry
       include Support::Actions
       include Namespaces::TranGeneral
 
-      actions :get, :get_list, :add, :delete, :search, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :upsert
 
       fields :approved, :created_date, :exchange_rate, :last_modified_date, :memo, :reversal_date, :reversal_defer, :reversal_entry,
         :tran_date, :tran_id
diff --git a/lib/netsuite/records/kit_item.rb b/lib/netsuite/records/kit_item.rb
index 34dd2c7c2..40cfd3eba 100644
--- a/lib/netsuite/records/kit_item.rb
+++ b/lib/netsuite/records/kit_item.rb
@@ -7,7 +7,7 @@ class KitItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :available_to_partners, :cost_estimate, :created_date, :defer_rev_rec, :description, :display_name,
         :dont_show_price, :enforce_min_qty_internally, :exclude_from_sitemap, :featured_description, :handling_cost,
diff --git a/lib/netsuite/records/lot_numbered_assembly_item.rb b/lib/netsuite/records/lot_numbered_assembly_item.rb
index 67c7d07f3..e4587d45c 100644
--- a/lib/netsuite/records/lot_numbered_assembly_item.rb
+++ b/lib/netsuite/records/lot_numbered_assembly_item.rb
@@ -7,7 +7,7 @@ class LotNumberedAssemblyItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :get_select_value, :add, :delete, :update, :upsert, :upsert_list, :search
+      actions :get, :get_list, :get_select_value, :add, :add_list, :delete, :update, :upsert, :upsert_list, :search
 
       fields :auto_lead_time, :auto_preferred_stock_level, :auto_reorder_point, :available_to_partners, :average_cost, :build_entire_assembly,
         :copy_description, :cost, :cost_estimate, :cost_estimate_type, :cost_estimate_units, :cost_units, :costing_method,
diff --git a/lib/netsuite/records/non_inventory_purchase_item.rb b/lib/netsuite/records/non_inventory_purchase_item.rb
index f321910aa..5c2b0622b 100644
--- a/lib/netsuite/records/non_inventory_purchase_item.rb
+++ b/lib/netsuite/records/non_inventory_purchase_item.rb
@@ -7,7 +7,7 @@ class NonInventoryPurchaseItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :upsert
 
       fields :available_to_partners, :cost_estimate, :cost_estimate_type, :cost_estimate_units, :country_of_manufacture,
         :created_date, :display_name, :dont_show_price, :enforce_min_qty_internally, :exclude_from_sitemap,
diff --git a/lib/netsuite/records/non_inventory_resale_item.rb b/lib/netsuite/records/non_inventory_resale_item.rb
index 0628c8c6a..da8921ed1 100644
--- a/lib/netsuite/records/non_inventory_resale_item.rb
+++ b/lib/netsuite/records/non_inventory_resale_item.rb
@@ -7,7 +7,7 @@ class NonInventoryResaleItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :upsert, :update
+      actions :get, :get_list, :add, :add_list, :delete, :search, :upsert, :update
 
       fields :available_to_partners, :cost_estimate, :cost_estimate_type, :cost_estimate_units, :country_of_manufacture,
         :created_date, :display_name, :dont_show_price, :enforce_min_qty_internally, :exclude_from_sitemap,
diff --git a/lib/netsuite/records/non_inventory_sale_item.rb b/lib/netsuite/records/non_inventory_sale_item.rb
index 7699b4637..f5c7f530c 100644
--- a/lib/netsuite/records/non_inventory_sale_item.rb
+++ b/lib/netsuite/records/non_inventory_sale_item.rb
@@ -7,7 +7,7 @@ class NonInventorySaleItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :available_to_partners, :cost_estimate, :cost_estimate_type, :cost_estimate_units, :country_of_manufacture,
         :created_date, :direct_revenue_posting, :display_name, :dont_show_price, :enforce_min_qty_internally, :exclude_from_sitemap,
diff --git a/lib/netsuite/records/note.rb b/lib/netsuite/records/note.rb
index 94994b3aa..31f7252d6 100644
--- a/lib/netsuite/records/note.rb
+++ b/lib/netsuite/records/note.rb
@@ -10,7 +10,7 @@ class Note
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2016_1/schema/record/note.html
 
-      actions :get, :get_list, :add, :update, :upsert, :upsert_list, :delete, :delete_list, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :upsert_list, :delete, :delete_list, :search
 
       fields :direction, :lastModifiedDate, :note, :noteDate, :title, :topic
 
diff --git a/lib/netsuite/records/opportunity.rb b/lib/netsuite/records/opportunity.rb
index d1cced560..469d6e5ad 100644
--- a/lib/netsuite/records/opportunity.rb
+++ b/lib/netsuite/records/opportunity.rb
@@ -7,7 +7,7 @@ class Opportunity
       include Support::Actions
       include Namespaces::TranSales
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :action_item, :alt_sales_range_high, :alt_sales_range_low,
         :close_date, :contrib_pct, :created_date, :currency_name, :days_open,
diff --git a/lib/netsuite/records/other_charge_sale_item.rb b/lib/netsuite/records/other_charge_sale_item.rb
index 874643327..f23ded9fc 100644
--- a/lib/netsuite/records/other_charge_sale_item.rb
+++ b/lib/netsuite/records/other_charge_sale_item.rb
@@ -7,7 +7,7 @@ class OtherChargeSaleItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :delete, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :update, :delete, :upsert, :search
 
       attr_reader   :internal_id
       attr_accessor :external_id
diff --git a/lib/netsuite/records/partner.rb b/lib/netsuite/records/partner.rb
index 04d0b93eb..5efdfba06 100644
--- a/lib/netsuite/records/partner.rb
+++ b/lib/netsuite/records/partner.rb
@@ -10,7 +10,7 @@ class Partner
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2014_1/schema/record/partner.html
 
-      actions :get, :get_list, :add, :update, :upsert, :upsert_list, :delete, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :upsert_list, :delete, :search
 
       fields :phone, :home_phone, :first_name, :last_name, :alt_name, :is_inactive, :email, :give_access,
              :partner_code, :is_person, :company_name, :eligible_for_commission, :entity_id, :last_modified_date,
diff --git a/lib/netsuite/records/payment_item.rb b/lib/netsuite/records/payment_item.rb
index d58a0268d..c14b592bb 100644
--- a/lib/netsuite/records/payment_item.rb
+++ b/lib/netsuite/records/payment_item.rb
@@ -7,7 +7,7 @@ class PaymentItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :available_to_partners, :created_date, :description, :display_name, :include_children, :is_inactive, :item_id, :last_modified_date, :undep_funds
 
diff --git a/lib/netsuite/records/phone_call.rb b/lib/netsuite/records/phone_call.rb
index e7c42d7eb..93ad0b165 100644
--- a/lib/netsuite/records/phone_call.rb
+++ b/lib/netsuite/records/phone_call.rb
@@ -7,7 +7,7 @@ class PhoneCall
       include Support::Actions
       include Namespaces::ActSched
 
-      actions :get, :get_list, :add, :delete, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :update, :upsert
 
       fields :title, :message, :phone, :status, :priority, :start_date, :end_date,
         :start_time, :end_time, :completed_date, :timed_event, :access_level, :timed_event
diff --git a/lib/netsuite/records/price_level.rb b/lib/netsuite/records/price_level.rb
index ad17f782a..28b7a92d8 100644
--- a/lib/netsuite/records/price_level.rb
+++ b/lib/netsuite/records/price_level.rb
@@ -7,7 +7,7 @@ class PriceLevel
       include Support::RecordRefs
       include Namespaces::ListAcct
 
-      actions :get, :update, :get_list, :add, :delete, :search, :upsert
+      actions :get, :update, :get_list, :add, :add_list, :delete, :search, :upsert
 
       # http://www.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2017_1/schema/record/pricelevel.html
       fields :discountpct, :name, :is_online, :update_existing_prices,
diff --git a/lib/netsuite/records/promotion_code.rb b/lib/netsuite/records/promotion_code.rb
index 5db0b8a1b..03b6524b8 100644
--- a/lib/netsuite/records/promotion_code.rb
+++ b/lib/netsuite/records/promotion_code.rb
@@ -9,7 +9,7 @@ class PromotionCode
       include Support::Actions
       include Namespaces::ListMkt
 
-      actions :get, :get_list, :add, :search, :delete, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :search, :delete, :update, :upsert
 
       fields :code, :code_pattern, :description, :discount_type, :display_line_discounts, :end_date,
              :exclude_items, :is_inactive, :is_public, :minimum_order_amount, :name, :number_to_generate,
diff --git a/lib/netsuite/records/purchase_order.rb b/lib/netsuite/records/purchase_order.rb
index fe5c0d12d..021961ae6 100644
--- a/lib/netsuite/records/purchase_order.rb
+++ b/lib/netsuite/records/purchase_order.rb
@@ -7,7 +7,7 @@ class PurchaseOrder
       include Support::Actions
       include Namespaces::TranPurch
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :created_date, :currency_name, :due_date, :email, :exchange_rate,
              :fax, :fob, :interco_status, :interco_transaction, :last_modified_date,
diff --git a/lib/netsuite/records/return_authorization.rb b/lib/netsuite/records/return_authorization.rb
index dc92e0cc9..1e21a2614 100644
--- a/lib/netsuite/records/return_authorization.rb
+++ b/lib/netsuite/records/return_authorization.rb
@@ -9,7 +9,7 @@ class ReturnAuthorization
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2015_2/schema/record/returnauthorization.html
 
-      actions :get, :get_list, :initialize, :add, :update, :delete, :upsert, :search
+      actions :get, :get_list, :initialize, :add, :add_list, :update, :delete, :upsert, :search
 
       fields :alt_sales_total,
         :cc_approved,
diff --git a/lib/netsuite/records/rev_rec_schedule.rb b/lib/netsuite/records/rev_rec_schedule.rb
index 23f5e66c6..c227a0bdd 100644
--- a/lib/netsuite/records/rev_rec_schedule.rb
+++ b/lib/netsuite/records/rev_rec_schedule.rb
@@ -9,7 +9,7 @@ class RevRecSchedule
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :upsert, :delete, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :delete, :search
 
       fields :initial_amount, :is_inactive, :name, :period_offset, :rev_rec_offset,
              :amortization_period
diff --git a/lib/netsuite/records/rev_rec_template.rb b/lib/netsuite/records/rev_rec_template.rb
index 6ce748677..fe51816a3 100644
--- a/lib/netsuite/records/rev_rec_template.rb
+++ b/lib/netsuite/records/rev_rec_template.rb
@@ -7,7 +7,7 @@ class RevRecTemplate
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :upsert, :delete, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :delete, :search
       
       fields :name, :is_inactive
       
diff --git a/lib/netsuite/records/sales_order.rb b/lib/netsuite/records/sales_order.rb
index 8b6059e47..180d1bb69 100644
--- a/lib/netsuite/records/sales_order.rb
+++ b/lib/netsuite/records/sales_order.rb
@@ -7,7 +7,7 @@ class SalesOrder
       include Support::Actions
       include Namespaces::TranSales
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :upsert_list, :search
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :upsert_list, :search
 
       fields :alt_handling_cost, :alt_shipping_cost, :amount_paid, :amount_remaining, :auto_apply, :balance,
         :bill_address, :cc_approved, :contrib_pct, :created_date, :currency_name, :deferred_revenue, :discount_rate, :email, :end_date,
diff --git a/lib/netsuite/records/sales_tax_item.rb b/lib/netsuite/records/sales_tax_item.rb
index 2f8aa8d79..c39c35043 100644
--- a/lib/netsuite/records/sales_tax_item.rb
+++ b/lib/netsuite/records/sales_tax_item.rb
@@ -9,7 +9,7 @@ class SalesTaxItem
 
       # NOTE `get_all` is not available in recent API versions ~2017_2
       #      `search` is only available in recent API versions
-      actions :get, :get_list, :get_all, :get_select_value, :add, :delete,
+      actions :get, :get_list, :get_all, :get_select_value, :add, :add_list, :delete,
         :update, :upsert, :search
 
       fields :item_id, :display_name, :description, :rate, :is_inactive,
diff --git a/lib/netsuite/records/serialized_inventory_item.rb b/lib/netsuite/records/serialized_inventory_item.rb
index 6ce9a46a8..24577cdc3 100644
--- a/lib/netsuite/records/serialized_inventory_item.rb
+++ b/lib/netsuite/records/serialized_inventory_item.rb
@@ -7,7 +7,7 @@ class SerializedInventoryItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       record_refs :soft_descriptor,
         :stock_unit,
diff --git a/lib/netsuite/records/service_resale_item.rb b/lib/netsuite/records/service_resale_item.rb
index d5ee833b5..b255b9c4a 100644
--- a/lib/netsuite/records/service_resale_item.rb
+++ b/lib/netsuite/records/service_resale_item.rb
@@ -7,7 +7,7 @@ class ServiceResaleItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :delete, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :update, :delete, :upsert, :search
 
       fields :available_to_partners, :cost, :cost_estimate, :cost_estimate_type, :cost_estimate_units, :create_job, :created_date,
         :display_name, :dont_show_price, :enforce_min_qty_internally, :exclude_from_sitemap, :featured_description,
diff --git a/lib/netsuite/records/service_sale_item.rb b/lib/netsuite/records/service_sale_item.rb
index 85bcb30fb..3e275df64 100644
--- a/lib/netsuite/records/service_sale_item.rb
+++ b/lib/netsuite/records/service_sale_item.rb
@@ -7,7 +7,7 @@ class ServiceSaleItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :delete, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :update, :delete, :upsert, :search
 
       fields :available_to_partners, :cost_estimate, :cost_estimate_type, :cost_estimate_units, :create_job, :created_date,
         :display_name, :dont_show_price, :enforce_min_qty_internally, :exclude_from_sitemap, :featured_description,
diff --git a/lib/netsuite/records/site_category.rb b/lib/netsuite/records/site_category.rb
index 85c33abd4..7df5947f3 100644
--- a/lib/netsuite/records/site_category.rb
+++ b/lib/netsuite/records/site_category.rb
@@ -9,7 +9,7 @@ class SiteCategory
 
       # https://system.netsuite.com/help/helpcenter/en_US/srbrowser/Browser2014_1/schema/record/sitecategory.html
 
-      actions :get, :get_list, :add, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :delete, :update, :upsert, :search
 
       fields :description, :exclude_from_site_map, :is_inactive, :is_online,
         :item_id, :meta_tag_html, :page_title, :presentation_item_list,
diff --git a/lib/netsuite/records/subtotal_item.rb b/lib/netsuite/records/subtotal_item.rb
index 85cb546a2..b55163e5b 100644
--- a/lib/netsuite/records/subtotal_item.rb
+++ b/lib/netsuite/records/subtotal_item.rb
@@ -7,7 +7,7 @@ class DescriptionItem
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :available_to_partners, :created_date, :description, :include_children, :is_inactive, :item_id, :last_modified_date
 
diff --git a/lib/netsuite/records/support_case.rb b/lib/netsuite/records/support_case.rb
index d9753f670..a02f804b9 100644
--- a/lib/netsuite/records/support_case.rb
+++ b/lib/netsuite/records/support_case.rb
@@ -7,7 +7,7 @@ class SupportCase
       include Support::Actions
       include Namespaces::ListSupport
 
-      actions :get, :get_list, :add, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :delete, :update, :upsert, :search
 
       fields :end_date, :incoming_message, :outgoing_message, :search_solution, :email_form, 
              :internal_only, :title, :case_number, :start_date, :email, :phone, :inbound_email, 
diff --git a/lib/netsuite/records/task.rb b/lib/netsuite/records/task.rb
index 9b56febec..8ebe6e0b1 100644
--- a/lib/netsuite/records/task.rb
+++ b/lib/netsuite/records/task.rb
@@ -7,7 +7,7 @@ class Task
       include Support::Actions
       include Namespaces::ActSched
 
-      actions :get, :get_list, :add, :search, :delete, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :search, :delete, :update, :upsert
 
       fields :title, :send_email, :message, :status, :access_level, :reminder_type,
              :reminder_minutes, :start_date, :end_date, :due_date, :timed_event,
diff --git a/lib/netsuite/records/tax_group.rb b/lib/netsuite/records/tax_group.rb
index a88198012..8f1d9b0b8 100644
--- a/lib/netsuite/records/tax_group.rb
+++ b/lib/netsuite/records/tax_group.rb
@@ -9,7 +9,7 @@ class TaxGroup
 
       # NOTE `get_all` is not available API > 2017_1
       #      `search` is available API > 2016_2
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :search, :get_all
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search, :get_all
 
       fields :city, :county, :description, :include_children, :is_default, :is_inactive,
              :item_id, :piggyback, :rate, :state, :subsidiary_list, :unitprice1, :unitprice2,
diff --git a/lib/netsuite/records/tax_type.rb b/lib/netsuite/records/tax_type.rb
index c7567742b..dad8f0ed0 100644
--- a/lib/netsuite/records/tax_type.rb
+++ b/lib/netsuite/records/tax_type.rb
@@ -5,7 +5,7 @@ class TaxType
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :upsert, :delete, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :delete, :search
 
       fields :description, :name
 
diff --git a/lib/netsuite/records/term.rb b/lib/netsuite/records/term.rb
index 87affab68..1577e2afe 100644
--- a/lib/netsuite/records/term.rb
+++ b/lib/netsuite/records/term.rb
@@ -7,7 +7,7 @@ class Term
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :delete, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :delete, :upsert, :search
 
       fields :due_next_month_if_within_days, :name, :date_driven, :days_until_expiry, :days_until_net_due,
         :day_discount_expires, :day_of_month_net_due, :discount_percent, :discount_percent_date_driven, :is_inactive,
diff --git a/lib/netsuite/records/time_bill.rb b/lib/netsuite/records/time_bill.rb
index bad36d2f3..80ccac53e 100644
--- a/lib/netsuite/records/time_bill.rb
+++ b/lib/netsuite/records/time_bill.rb
@@ -7,7 +7,7 @@ class TimeBill
       include Support::Actions
       include Namespaces::TranEmp
 
-      actions :get, :get_list, :add, :delete, :search, :update, :upsert
+      actions :get, :get_list, :add, :add_list, :delete, :search, :update, :upsert
 
       fields :created_date, :is_billable, :last_modified_date, :memo, :override_rate, :paid_externally, :rate, :status,
              :supervisor_approval, :tran_date, :time_type
diff --git a/lib/netsuite/records/transfer_order.rb b/lib/netsuite/records/transfer_order.rb
index db43ce630..568a9d71a 100644
--- a/lib/netsuite/records/transfer_order.rb
+++ b/lib/netsuite/records/transfer_order.rb
@@ -7,7 +7,7 @@ class TransferOrder
       include Support::Actions
       include Namespaces::TranInvt
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :alt_shipping_cost, :created_date, :firmed, :fob, :handling_tax1_rate,
              :handling_tax2_rate, :last_modified_date, :linked_tracking_numbers,
diff --git a/lib/netsuite/records/units_type.rb b/lib/netsuite/records/units_type.rb
index 13c08e72b..09b9c01d4 100644
--- a/lib/netsuite/records/units_type.rb
+++ b/lib/netsuite/records/units_type.rb
@@ -6,7 +6,7 @@ class UnitsType
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :add, :update, :upsert, :delete, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :delete, :search
 
       fields :is_inactive, :name
 
diff --git a/lib/netsuite/records/vendor.rb b/lib/netsuite/records/vendor.rb
index e1491c6b1..faeca0bd4 100644
--- a/lib/netsuite/records/vendor.rb
+++ b/lib/netsuite/records/vendor.rb
@@ -7,7 +7,7 @@ class Vendor
       include Support::Actions
       include Namespaces::ListRel
 
-      actions :get, :get_list, :add, :update, :upsert, :delete, :search
+      actions :get, :get_list, :add, :add_list, :update, :upsert, :delete, :search
 
       fields :account_number, :alt_email, :alt_name, :alt_phone, :balance,
              :balance_primary, :bcn, :bill_pay, :comments, :company_name, :credit_limit,
diff --git a/lib/netsuite/records/vendor_category.rb b/lib/netsuite/records/vendor_category.rb
index f4c4f2e3c..90e850d92 100644
--- a/lib/netsuite/records/vendor_category.rb
+++ b/lib/netsuite/records/vendor_category.rb
@@ -9,7 +9,7 @@ class VendorCategory
       include Support::Actions
       include Namespaces::ListAcct
 
-      actions :get, :get_list, :get_all, :add, :update, :delete, :search
+      actions :get, :get_list, :get_all, :add, :add_list, :update, :delete, :search
 
       fields :name, :is_tax_agency, :is_inactive
 
diff --git a/lib/netsuite/records/vendor_payment.rb b/lib/netsuite/records/vendor_payment.rb
index dbf08cbf7..c0920a5fa 100644
--- a/lib/netsuite/records/vendor_payment.rb
+++ b/lib/netsuite/records/vendor_payment.rb
@@ -7,7 +7,7 @@ class VendorPayment
       include Support::Actions
       include Namespaces::TranPurch
 
-      actions :get, :get_list, :initialize, :add, :delete, :update, :upsert, :search
+      actions :get, :get_list, :initialize, :add, :add_list, :delete, :update, :upsert, :search
 
       fields :address, :balance, :bill_pay, :created_date, :credit_list, :currency_name, :exchange_rate, :last_modified_date,
           :memo, :print_voucher, :status, :to_ach, :to_be_printed, :total, :tran_date, :tran_id, :transaction_number
diff --git a/lib/netsuite/records/vendor_return_authorization.rb b/lib/netsuite/records/vendor_return_authorization.rb
index a7035de20..6750ddac9 100644
--- a/lib/netsuite/records/vendor_return_authorization.rb
+++ b/lib/netsuite/records/vendor_return_authorization.rb
@@ -7,7 +7,7 @@ class VendorReturnAuthorization
       include Support::Actions
       include Namespaces::TranPurch
 
-      actions :get, :get_list, :add, :initialize, :delete, :update, :upsert, :search
+      actions :get, :get_list, :add, :add_list, :initialize, :delete, :update, :upsert, :search
 
       fields :billing_address, :created_date, :memo, :tran_date, :tran_id
 
diff --git a/lib/netsuite/records/work_order.rb b/lib/netsuite/records/work_order.rb
index 7807047e7..369845f9d 100644
--- a/lib/netsuite/records/work_order.rb
+++ b/lib/netsuite/records/work_order.rb
@@ -7,7 +7,7 @@ class WorkOrder
       include Support::Actions
       include Namespaces::TranInvt
 
-      actions :get, :add, :initialize, :delete, :update, :upsert, :upsert_list,
+      actions :get, :add, :add_list, :initialize, :delete, :update, :upsert, :upsert_list,
         :search
 
       fields :buildable, :built, :created_date, :end_date, :expanded_assembly,
diff --git a/lib/netsuite/support/actions.rb b/lib/netsuite/support/actions.rb
index 19d62c552..66c1d90da 100644
--- a/lib/netsuite/support/actions.rb
+++ b/lib/netsuite/support/actions.rb
@@ -32,6 +32,8 @@ def action(name)
             self.send(:include, NetSuite::Actions::Search::Support)
           when :add
             self.send(:include, NetSuite::Actions::Add::Support)
+          when :add_list
+            self.send(:include, NetSuite::Actions::AddList::Support)
           when :upsert
             self.send(:include, NetSuite::Actions::Upsert::Support)
           when :upsert_list
diff --git a/spec/netsuite/actions/add_list_spec.rb b/spec/netsuite/actions/add_list_spec.rb
new file mode 100644
index 000000000..a6dc65ce7
--- /dev/null
+++ b/spec/netsuite/actions/add_list_spec.rb
@@ -0,0 +1,148 @@
+require 'spec_helper'
+
+describe NetSuite::Actions::AddList do
+  before { savon.mock! }
+  after { savon.unmock! }
+
+  context 'Customers' do
+    context 'one customer' do
+      let(:customers) do
+        [
+          NetSuite::Records::Customer.new(external_id: 'ext2', entity_id: 'Target', company_name: 'Target')
+        ]
+      end
+
+      before do
+        savon.expects(:add_list).with(:message =>
+          {
+            'record' => [{
+              'listRel:entityId'    => 'Target',
+              'listRel:companyName' => 'Target',
+              '@xsi:type' => 'listRel:Customer',
+              '@externalId' => 'ext2'
+            }]
+          }).returns(File.read('spec/support/fixtures/add_list/add_list_one_customer.xml'))
+      end
+
+      it 'makes a valid request to the NetSuite API' do
+        NetSuite::Actions::AddList.call(customers)
+      end
+
+      it 'returns a valid Response object' do
+        response = NetSuite::Actions::AddList.call(customers)
+        expect(response).to be_kind_of(NetSuite::Response)
+        expect(response).to be_success
+      end
+    end
+
+    context 'two customers' do
+      let(:customers) do
+        [
+          NetSuite::Records::Customer.new(external_id: 'ext1', entity_id: 'Shutter Fly', company_name: 'Shutter Fly, Inc.'),
+          NetSuite::Records::Customer.new(external_id: 'ext2', entity_id: 'Target', company_name: 'Target')
+        ]
+      end
+
+      before do
+        savon.expects(:add_list).with(:message =>
+          {
+            'record' => [{
+                'listRel:entityId'    => 'Shutter Fly',
+                'listRel:companyName' => 'Shutter Fly, Inc.',
+                '@xsi:type' => 'listRel:Customer',
+                '@externalId' => 'ext1'
+              },
+              {
+                'listRel:entityId'    => 'Target',
+                'listRel:companyName' => 'Target',
+                '@xsi:type' => 'listRel:Customer',
+                '@externalId' => 'ext2'
+              }
+            ]
+          }).returns(File.read('spec/support/fixtures/add_list/add_list_customers.xml'))
+      end
+
+      it 'makes a valid request to the NetSuite API' do
+        NetSuite::Actions::AddList.call(customers)
+      end
+
+      it 'returns a valid Response object' do
+        response = NetSuite::Actions::AddList.call(customers)
+        expect(response).to be_kind_of(NetSuite::Response)
+        expect(response).to be_success
+      end
+    end
+  end
+
+  context 'with validation errors' do
+    let(:customers) do
+      [
+        NetSuite::Records::Customer.new(external_id: 'ext1-bad', entity_id: 'Shutter Fly', company_name: 'Shutter Fly, Inc.'),
+        NetSuite::Records::Customer.new(external_id: 'ext2-bad', entity_id: 'Target', company_name: 'Target')
+      ]
+    end
+
+    before do
+      savon.expects(:add_list).with(:message =>
+        {
+          'record' => [{
+            'listRel:entityId'    => 'Shutter Fly',
+            'listRel:companyName' => 'Shutter Fly, Inc.',
+            '@xsi:type' => 'listRel:Customer',
+            '@externalId' => 'ext1-bad'
+          },
+          {
+            'listRel:entityId'    => 'Target',
+            'listRel:companyName' => 'Target',
+            '@xsi:type' => 'listRel:Customer',
+            '@externalId' => 'ext2-bad'
+          }
+          ]
+        }).returns(File.read('spec/support/fixtures/add_list/add_list_with_errors.xml'))
+    end
+
+    it 'constructs error objects' do
+      response = NetSuite::Actions::AddList.call(customers)
+      expect(response.errors.keys).to match_array(['ext1-bad', 'ext2-bad'])
+      expect(response.errors['ext1-bad'].first.code).to eq('USER_ERROR')
+      expect(response.errors['ext1-bad'].first.message).to eq('Please enter value(s) for: Item')
+      expect(response.errors['ext1-bad'].first.type).to eq('ERROR')
+    end
+  end
+
+  context 'with existing record errors' do
+    let(:customers) do
+      [
+        NetSuite::Records::Customer.new(external_id: 'ext1', entity_id: 'Shutter Fly', company_name: 'Shutter Fly, Inc.'),
+        NetSuite::Records::Customer.new(external_id: 'ext2', entity_id: 'Target', company_name: 'Target')
+      ]
+    end
+
+    before do
+      savon.expects(:add_list).with(:message =>
+        {
+          'record' => [{
+            'listRel:entityId'    => 'Shutter Fly',
+            'listRel:companyName' => 'Shutter Fly, Inc.',
+            '@xsi:type' => 'listRel:Customer',
+            '@externalId' => 'ext1'
+          },
+          {
+            'listRel:entityId'    => 'Target',
+            'listRel:companyName' => 'Target',
+            '@xsi:type' => 'listRel:Customer',
+            '@externalId' => 'ext2'
+          }
+          ]
+        }).returns(File.read('spec/support/fixtures/add_list/add_list_with_existing_records.xml'))
+    end
+
+    it 'constructs error objects' do
+      response = NetSuite::Actions::AddList.call(customers)
+      expect(response.errors.keys).to match_array(['ext1', 'ext2'])
+      expect(response.errors['ext1'].first.code).to eq('DUP_ENTITY')
+      expect(response.errors['ext1'].first.message).to eq('This entity already exists.')
+      expect(response.errors['ext1'].first.type).to eq('ERROR')
+    end
+  end
+end
diff --git a/spec/support/fixtures/add_list/add_list_customers.xml b/spec/support/fixtures/add_list/add_list_customers.xml
new file mode 100644
index 000000000..a70fd4cb1
--- /dev/null
+++ b/spec/support/fixtures/add_list/add_list_customers.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <soapenv:Header>
+    <platformMsgs:documentInfo xmlns:platformMsgs="urn:messages_2017_2.platform.webservices.netsuite.com">
+      <platformMsgs:nsId>WEBSERVICES_3392464_1220201115821392011296470399_67055c545d0</platformMsgs:nsId>
+    </platformMsgs:documentInfo>
+  </soapenv:Header>
+  <soapenv:Body>
+  <addListResponse xmlns="urn:messages_2017_2.platform.webservices.netsuite.com">
+    <writeResponseList>
+      <platformCore:status xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" isSuccess="true"/>
+      <writeResponse>
+        <platformCore:status isSuccess="true" xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com"/>
+        <baseRef internalId="970" externalId="ext1" type="customer" xsi:type="platformCore:RecordRef" xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com"/>
+      </writeResponse>
+      <writeResponse>
+        <platformCore:status isSuccess="true" xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com"/>
+        <baseRef internalId="974" externalId="ext2" type="customer" xsi:type="platformCore:RecordRef" xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com"/>
+      </writeResponse>
+    </writeResponseList>
+  </addListResponse>
+</soapenv:Body>
diff --git a/spec/support/fixtures/add_list/add_list_one_customer.xml b/spec/support/fixtures/add_list/add_list_one_customer.xml
new file mode 100644
index 000000000..9b2592d66
--- /dev/null
+++ b/spec/support/fixtures/add_list/add_list_one_customer.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <soapenv:Header>
+    <platformMsgs:documentInfo xmlns:platformMsgs="urn:messages_2017_2.platform.webservices.netsuite.com">
+      <platformMsgs:nsId>WEBSERVICES_3392464_1220201115821392011296470399_67055c545d0</platformMsgs:nsId>
+    </platformMsgs:documentInfo>
+  </soapenv:Header>
+  <soapenv:Body>
+  <addListResponse xmlns="urn:messages_2017_2.platform.webservices.netsuite.com">
+    <writeResponseList>
+      <platformCore:status xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" isSuccess="true"/>
+      <writeResponse>
+        <platformCore:status isSuccess="true" xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com"/>
+        <baseRef internalId="974" externalId="ext2" type="customer" xsi:type="platformCore:RecordRef" xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com"/>
+      </writeResponse>
+    </writeResponseList>
+  </addListResponse>
+</soapenv:Body>
diff --git a/spec/support/fixtures/add_list/add_list_with_errors.xml b/spec/support/fixtures/add_list/add_list_with_errors.xml
new file mode 100644
index 000000000..08e7782bf
--- /dev/null
+++ b/spec/support/fixtures/add_list/add_list_with_errors.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <soapenv:Header>
+    <platformMsgs:documentInfo xmlns:platformMsgs="urn:messages_2017_2.platform.webservices.netsuite.com">
+      <platformMsgs:nsId>WEBSERVICES_3868171_1117201410832887841076557109_965331437a3</platformMsgs:nsId>
+    </platformMsgs:documentInfo>
+  </soapenv:Header>
+  <soapenv:Body>
+    <addListResponse xmlns="urn:messages_2017_2.platform.webservices.netsuite.com">
+      <writeResponseList>
+        <platformCore:status xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" isSuccess="false"/>
+        <writeResponse>
+          <platformCore:status xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" isSuccess="false">
+            <platformCore:statusDetail type="ERROR">
+              <platformCore:code>USER_ERROR</platformCore:code>
+              <platformCore:message>Please enter value(s) for: Item</platformCore:message>
+            </platformCore:statusDetail>
+          </platformCore:status>
+          <baseRef xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" externalId="ext1-bad" type="customer" xsi:type="platformCore:RecordRef"/>
+        </writeResponse>
+        <writeResponse>
+          <platformCore:status xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" isSuccess="false">
+            <platformCore:statusDetail type="ERROR">
+              <platformCore:code>USER_ERROR</platformCore:code>
+              <platformCore:message>Please enter value(s) for: Item</platformCore:message>
+            </platformCore:statusDetail>
+          </platformCore:status>
+          <baseRef xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" externalId="ext2-bad" type="customer" xsi:type="platformCore:RecordRef"/>
+        </writeResponse>
+      </writeResponseList>
+    </addListResponse>
+  </soapenv:Body>
+</soapenv:Envelope>
diff --git a/spec/support/fixtures/add_list/add_list_with_existing_records.xml b/spec/support/fixtures/add_list/add_list_with_existing_records.xml
new file mode 100644
index 000000000..790f32b62
--- /dev/null
+++ b/spec/support/fixtures/add_list/add_list_with_existing_records.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <soapenv:Header>
+    <platformMsgs:documentInfo xmlns:platformMsgs="urn:messages_2017_2.platform.webservices.netsuite.com">
+      <platformMsgs:nsId>WEBSERVICES_3868171_1117201410832887841076557109_965331437a3</platformMsgs:nsId>
+    </platformMsgs:documentInfo>
+  </soapenv:Header>
+  <soapenv:Body>
+    <addListResponse xmlns="urn:messages_2017_2.platform.webservices.netsuite.com">
+      <writeResponseList>
+        <platformCore:status xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" isSuccess="true"/>
+        <writeResponse>
+          <platformCore:status xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" isSuccess="false">
+            <platformCore:statusDetail type="ERROR">
+              <platformCore:code>DUP_ENTITY</platformCore:code>
+              <platformCore:message>This entity already exists.</platformCore:message>
+            </platformCore:statusDetail>
+          </platformCore:status>
+          <baseRef xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" externalId="ext1" type="customer" xsi:type="platformCore:RecordRef"/>
+        </writeResponse>
+        <writeResponse>
+          <platformCore:status xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" isSuccess="false">
+            <platformCore:statusDetail type="ERROR">
+              <platformCore:code>DUP_ENTITY</platformCore:code>
+              <platformCore:message>This entity already exists.</platformCore:message>
+            </platformCore:statusDetail>
+          </platformCore:status>
+          <baseRef xmlns:platformCore="urn:core_2017_2.platform.webservices.netsuite.com" externalId="ext2" type="customer" xsi:type="platformCore:RecordRef"/>
+        </writeResponse>
+      </writeResponseList>
+    </addListResponse>
+  </soapenv:Body>
+</soapenv:Envelope>