diff --git a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/CHANGELOG.md b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/CHANGELOG.md
new file mode 100644
index 000000000000..65abb29fab32
--- /dev/null
+++ b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/CHANGELOG.md
@@ -0,0 +1,9 @@
+Generated from https://github.com/Azure/azure-rest-api-specs/tree/3c764635e7d442b3e74caf593029fcd440b3ef82
+
+Code generator @microsoft.azure/autorest.go@~2.1.161
+
+## Breaking Changes
+
+- Function `NewEndpointResourceListResultPage` parameter(s) have been changed from `(func(context.Context, EndpointResourceListResult) (EndpointResourceListResult, error))` to `(EndpointResourceListResult, func(context.Context, EndpointResourceListResult) (EndpointResourceListResult, error))`
+- Function `NewDescriptionListResultPage` parameter(s) have been changed from `(func(context.Context, DescriptionListResult) (DescriptionListResult, error))` to `(DescriptionListResult, func(context.Context, DescriptionListResult) (DescriptionListResult, error))`
+- Function `NewOperationListResultPage` parameter(s) have been changed from `(func(context.Context, OperationListResult) (OperationListResult, error))` to `(OperationListResult, func(context.Context, OperationListResult) (OperationListResult, error))`
diff --git a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/digitaltwins.go b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/digitaltwins.go
index e41d402e8249..b43282b7ed97 100644
--- a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/digitaltwins.go
+++ b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/digitaltwins.go
@@ -83,6 +83,7 @@ func (client Client) CheckNameAvailability(ctx context.Context, location string,
 	result, err = client.CheckNameAvailabilityResponder(resp)
 	if err != nil {
 		err = autorest.NewErrorWithError(err, "digitaltwins.Client", "CheckNameAvailability", resp, "Failure responding to request")
+		return
 	}
 
 	return
@@ -344,6 +345,7 @@ func (client Client) Get(ctx context.Context, resourceGroupName string, resource
 	result, err = client.GetResponder(resp)
 	if err != nil {
 		err = autorest.NewErrorWithError(err, "digitaltwins.Client", "Get", resp, "Failure responding to request")
+		return
 	}
 
 	return
@@ -417,9 +419,11 @@ func (client Client) List(ctx context.Context) (result DescriptionListResultPage
 	result.dlr, err = client.ListResponder(resp)
 	if err != nil {
 		err = autorest.NewErrorWithError(err, "digitaltwins.Client", "List", resp, "Failure responding to request")
+		return
 	}
 	if result.dlr.hasNextLink() && result.dlr.IsEmpty() {
 		err = result.NextWithContext(ctx)
+		return
 	}
 
 	return
@@ -537,9 +541,11 @@ func (client Client) ListByResourceGroup(ctx context.Context, resourceGroupName
 	result.dlr, err = client.ListByResourceGroupResponder(resp)
 	if err != nil {
 		err = autorest.NewErrorWithError(err, "digitaltwins.Client", "ListByResourceGroup", resp, "Failure responding to request")
+		return
 	}
 	if result.dlr.hasNextLink() && result.dlr.IsEmpty() {
 		err = result.NextWithContext(ctx)
+		return
 	}
 
 	return
@@ -662,6 +668,7 @@ func (client Client) Update(ctx context.Context, resourceGroupName string, resou
 	result, err = client.UpdateResponder(resp)
 	if err != nil {
 		err = autorest.NewErrorWithError(err, "digitaltwins.Client", "Update", resp, "Failure responding to request")
+		return
 	}
 
 	return
diff --git a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/endpoint.go b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/endpoint.go
index 0a1070bb9bea..22536038b6da 100644
--- a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/endpoint.go
+++ b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/endpoint.go
@@ -68,9 +68,7 @@ func (client EndpointClient) CreateOrUpdate(ctx context.Context, resourceGroupNa
 				{Target: "resourceName", Name: validation.MinLength, Rule: 3, Chain: nil}}},
 		{TargetValue: endpointName,
 			Constraints: []validation.Constraint{{Target: "endpointName", Name: validation.MaxLength, Rule: 49, Chain: nil},
-				{Target: "endpointName", Name: validation.MinLength, Rule: 2, Chain: nil}}},
-		{TargetValue: endpointDescription,
-			Constraints: []validation.Constraint{{Target: "endpointDescription.Properties", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
+				{Target: "endpointName", Name: validation.MinLength, Rule: 2, Chain: nil}}}}); err != nil {
 		return result, validation.NewError("digitaltwins.EndpointClient", "CreateOrUpdate", err.Error())
 	}
 
@@ -272,6 +270,7 @@ func (client EndpointClient) Get(ctx context.Context, resourceGroupName string,
 	result, err = client.GetResponder(resp)
 	if err != nil {
 		err = autorest.NewErrorWithError(err, "digitaltwins.EndpointClient", "Get", resp, "Failure responding to request")
+		return
 	}
 
 	return
@@ -359,9 +358,11 @@ func (client EndpointClient) List(ctx context.Context, resourceGroupName string,
 	result.erlr, err = client.ListResponder(resp)
 	if err != nil {
 		err = autorest.NewErrorWithError(err, "digitaltwins.EndpointClient", "List", resp, "Failure responding to request")
+		return
 	}
 	if result.erlr.hasNextLink() && result.erlr.IsEmpty() {
 		err = result.NextWithContext(ctx)
+		return
 	}
 
 	return
diff --git a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/models.go b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/models.go
index 1ac14c2cae5b..476bf62be706 100644
--- a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/models.go
+++ b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/models.go
@@ -50,7 +50,8 @@ type CheckNameResult struct {
 	Reason Reason `json:"reason,omitempty"`
 }
 
-// CreateOrUpdateFuture an abstraction for monitoring and retrieving the results of a long-running operation.
+// CreateOrUpdateFuture an abstraction for monitoring and retrieving the results of a long-running
+// operation.
 type CreateOrUpdateFuture struct {
 	azure.Future
 }
@@ -359,8 +360,11 @@ func (page DescriptionListResultPage) Values() []Description {
 }
 
 // Creates a new instance of the DescriptionListResultPage type.
-func NewDescriptionListResultPage(getNextPage func(context.Context, DescriptionListResult) (DescriptionListResult, error)) DescriptionListResultPage {
-	return DescriptionListResultPage{fn: getNextPage}
+func NewDescriptionListResultPage(cur DescriptionListResult, getNextPage func(context.Context, DescriptionListResult) (DescriptionListResult, error)) DescriptionListResultPage {
+	return DescriptionListResultPage{
+		fn:  getNextPage,
+		dlr: cur,
+	}
 }
 
 // EndpointCreateOrUpdateFuture an abstraction for monitoring and retrieving the results of a long-running
@@ -392,7 +396,8 @@ func (future *EndpointCreateOrUpdateFuture) Result(client EndpointClient) (er En
 	return
 }
 
-// EndpointDeleteFuture an abstraction for monitoring and retrieving the results of a long-running operation.
+// EndpointDeleteFuture an abstraction for monitoring and retrieving the results of a long-running
+// operation.
 type EndpointDeleteFuture struct {
 	azure.Future
 }
@@ -642,8 +647,11 @@ func (page EndpointResourceListResultPage) Values() []EndpointResource {
 }
 
 // Creates a new instance of the EndpointResourceListResultPage type.
-func NewEndpointResourceListResultPage(getNextPage func(context.Context, EndpointResourceListResult) (EndpointResourceListResult, error)) EndpointResourceListResultPage {
-	return EndpointResourceListResultPage{fn: getNextPage}
+func NewEndpointResourceListResultPage(cur EndpointResourceListResult, getNextPage func(context.Context, EndpointResourceListResult) (EndpointResourceListResult, error)) EndpointResourceListResultPage {
+	return EndpointResourceListResultPage{
+		fn:   getNextPage,
+		erlr: cur,
+	}
 }
 
 // BasicEndpointResourceProperties properties related to Digital Twins Endpoint
@@ -933,8 +941,8 @@ type OperationDisplay struct {
 	Description *string `json:"description,omitempty"`
 }
 
-// OperationListResult a list of DigitalTwins service operations. It contains a list of operations and a URL
-// link to get the next set of results.
+// OperationListResult a list of DigitalTwins service operations. It contains a list of operations and a
+// URL link to get the next set of results.
 type OperationListResult struct {
 	autorest.Response `json:"-"`
 	// NextLink - The link used to get the next page of DigitalTwins description objects.
@@ -1095,8 +1103,11 @@ func (page OperationListResultPage) Values() []Operation {
 }
 
 // Creates a new instance of the OperationListResultPage type.
-func NewOperationListResultPage(getNextPage func(context.Context, OperationListResult) (OperationListResult, error)) OperationListResultPage {
-	return OperationListResultPage{fn: getNextPage}
+func NewOperationListResultPage(cur OperationListResult, getNextPage func(context.Context, OperationListResult) (OperationListResult, error)) OperationListResultPage {
+	return OperationListResultPage{
+		fn:  getNextPage,
+		olr: cur,
+	}
 }
 
 // PatchDescription the description of the DigitalTwins service.
diff --git a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/operations.go b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/operations.go
index c52ea4e04c48..23a1682e2674 100644
--- a/services/digitaltwins/mgmt/2020-10-31/digitaltwins/operations.go
+++ b/services/digitaltwins/mgmt/2020-10-31/digitaltwins/operations.go
@@ -70,9 +70,11 @@ func (client OperationsClient) List(ctx context.Context) (result OperationListRe
 	result.olr, err = client.ListResponder(resp)
 	if err != nil {
 		err = autorest.NewErrorWithError(err, "digitaltwins.OperationsClient", "List", resp, "Failure responding to request")
+		return
 	}
 	if result.olr.hasNextLink() && result.olr.IsEmpty() {
 		err = result.NextWithContext(ctx)
+		return
 	}
 
 	return