diff --git a/changes.md b/changes.md
index 642ba7cedaf..e3e831fc1f0 100644
--- a/changes.md
+++ b/changes.md
@@ -1,12 +1,8 @@
 **Api changes**
 
 <details>
-<summary>Required Property(s)</summary>
+<summary>Added Property(s)</summary>
 
-- changed property `priceMode` of type `CustomLineItemDraft` to be optional
-- changed property `oldShipmentState` of type `OrderShipmentStateChangedMessage` to be optional
-- changed property `oldOrderState` of type `OrderStateChangedMessage` to be optional
-- changed property `oldShipmentState` of type `OrderShipmentStateChangedMessagePayload` to be optional
-- changed property `oldOrderState` of type `OrderStateChangedMessagePayload` to be optional
+- added property `totalTax` to type `TaxedPriceDraft`
 </details>
 
diff --git a/commercetools.Sdk/commercetools.Sdk.Api/Generated/Models/Carts/ITaxedPriceDraft.cs b/commercetools.Sdk/commercetools.Sdk.Api/Generated/Models/Carts/ITaxedPriceDraft.cs
index 4028fdff7a7..966745dd1b2 100644
--- a/commercetools.Sdk/commercetools.Sdk.Api/Generated/Models/Carts/ITaxedPriceDraft.cs
+++ b/commercetools.Sdk/commercetools.Sdk.Api/Generated/Models/Carts/ITaxedPriceDraft.cs
@@ -17,5 +17,7 @@ public partial interface ITaxedPriceDraft
         IEnumerable<ITaxPortionDraft> TaxPortionsEnumerable { set => TaxPortions = value.ToList(); }
 
 
+        ITypedMoneyDraft TotalTax { get; set; }
+
     }
 }
diff --git a/commercetools.Sdk/commercetools.Sdk.Api/Generated/Models/Carts/TaxedPriceDraft.cs b/commercetools.Sdk/commercetools.Sdk.Api/Generated/Models/Carts/TaxedPriceDraft.cs
index fc6694891ab..372a395c299 100644
--- a/commercetools.Sdk/commercetools.Sdk.Api/Generated/Models/Carts/TaxedPriceDraft.cs
+++ b/commercetools.Sdk/commercetools.Sdk.Api/Generated/Models/Carts/TaxedPriceDraft.cs
@@ -15,5 +15,7 @@ public partial class TaxedPriceDraft : ITaxedPriceDraft
         public IList<ITaxPortionDraft> TaxPortions { get; set; }
         public IEnumerable<ITaxPortionDraft> TaxPortionsEnumerable { set => TaxPortions = value.ToList(); }
 
+
+        public ITypedMoneyDraft TotalTax { get; set; }
     }
 }
diff --git a/commercetools.Sdk/commercetools.Sdk.Api/Predicates/Query/Generated/Carts/TaxedPriceDraftQueryBuilderDsl.cs b/commercetools.Sdk/commercetools.Sdk.Api/Predicates/Query/Generated/Carts/TaxedPriceDraftQueryBuilderDsl.cs
index b5b061c830d..a113c75aba5 100644
--- a/commercetools.Sdk/commercetools.Sdk.Api/Predicates/Query/Generated/Carts/TaxedPriceDraftQueryBuilderDsl.cs
+++ b/commercetools.Sdk/commercetools.Sdk.Api/Predicates/Query/Generated/Carts/TaxedPriceDraftQueryBuilderDsl.cs
@@ -46,6 +46,15 @@ public ICollectionPredicateBuilder<TaxedPriceDraftQueryBuilderDsl> TaxPortions()
             return new CollectionPredicateBuilder<TaxedPriceDraftQueryBuilderDsl>(BinaryQueryPredicate.Of().Left(new ConstantQueryPredicate("taxPortions")),
                     p => new CombinationQueryPredicate<TaxedPriceDraftQueryBuilderDsl>(p, TaxedPriceDraftQueryBuilderDsl.Of));
         }
+        public CombinationQueryPredicate<TaxedPriceDraftQueryBuilderDsl> TotalTax(
+            Func<commercetools.Sdk.Api.Predicates.Query.Common.TypedMoneyDraftQueryBuilderDsl, CombinationQueryPredicate<commercetools.Sdk.Api.Predicates.Query.Common.TypedMoneyDraftQueryBuilderDsl>> fn)
+        {
+            return new CombinationQueryPredicate<TaxedPriceDraftQueryBuilderDsl>(ContainerQueryPredicate.Of()
+                .Parent(ConstantQueryPredicate.Of().Constant("totalTax"))
+                .Inner(fn.Invoke(commercetools.Sdk.Api.Predicates.Query.Common.TypedMoneyDraftQueryBuilderDsl.Of())),
+                TaxedPriceDraftQueryBuilderDsl.Of);
+        }
+
 
     }
 }
diff --git a/reference.txt b/reference.txt
new file mode 100644
index 00000000000..1ad47f11586
--- /dev/null
+++ b/reference.txt
@@ -0,0 +1 @@
+45d710745130242337bd593c44bcdcbedd249313
diff --git a/references.txt b/references.txt
index f05627421a3..338183301b5 100644
--- a/references.txt
+++ b/references.txt
@@ -223,3 +223,4 @@ ffed231e91d01608e1bb08ecc1883cf00d9d9293
 2645451ae6aef245e333b2f30cf5cb3627f71403
 65619eef7e065950cbb92467d72eaacc68004a14
 65619eef7e065950cbb92467d72eaacc68004a14
+48bbac8851ae864319c404607e9f10b874df0e3f