diff --git a/acceptance/openstack/ddm/v1/helper.go b/acceptance/openstack/ddm/v1/helper.go
index c8a699f44..5e49bd553 100644
--- a/acceptance/openstack/ddm/v1/helper.go
+++ b/acceptance/openstack/ddm/v1/helper.go
@@ -6,9 +6,11 @@ import (
 
 	golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
 	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/clients"
+	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/openstack"
 	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/tools"
 
-	ddminstances "github.com/opentelekomcloud/gophertelekomcloud/openstack/ddm/v1/instances"
+	ddminstancesv1 "github.com/opentelekomcloud/gophertelekomcloud/openstack/ddm/v1/instances"
+	ddminstancesv2 "github.com/opentelekomcloud/gophertelekomcloud/openstack/ddm/v2/instances"
 	rdsinstances "github.com/opentelekomcloud/gophertelekomcloud/openstack/rds/v3/instances"
 
 	th "github.com/opentelekomcloud/gophertelekomcloud/testhelper"
@@ -27,9 +29,9 @@ func CreateRDS(t *testing.T, client *golangsdk.ServiceClient, region string) *rd
 	vpcID := clients.EnvOS.GetEnv("VPC_ID")
 	subnetID := clients.EnvOS.GetEnv("NETWORK_ID")
 	kmsID := clients.EnvOS.GetEnv("KMS_ID")
-	secGroupId := clients.EnvOS.GetEnv("SECURITY_GROUP")
-	if vpcID == "" || subnetID == "" || secGroupId == "" {
-		t.Skip("One of OS_VPC_ID or OS_NETWORK_ID or OS_SECURITY_GROUP env vars is missing but RDS test requires using existing network")
+	secGroupId := openstack.DefaultSecurityGroup(t)
+	if vpcID == "" || subnetID == "" {
+		t.Skip("One of OS_VPC_ID or OS_NETWORK_ID env vars is missing but RDS test requires using existing network")
 	}
 
 	createRdsOpts := rdsinstances.CreateRdsOpts{
@@ -82,34 +84,52 @@ func DeleteRDS(t *testing.T, client *golangsdk.ServiceClient, rdsID string) {
 	t.Logf("RDSv3 instance deleted: %s", rdsID)
 }
 
-func CreateDDMInstance(t *testing.T, client *golangsdk.ServiceClient) *ddminstances.Instance {
+func CreateDDMInstance(t *testing.T, client *golangsdk.ServiceClient) *ddminstancesv1.Instance {
 	vpcID := clients.EnvOS.GetEnv("VPC_ID")
 	subnetID := clients.EnvOS.GetEnv("NETWORK_ID")
-	secGroupId := clients.EnvOS.GetEnv("SECURITY_GROUP")
-	if subnetID == "" || vpcID == "" || secGroupId == "" {
-		t.Skip("OS_NETWORK_ID or OS_VPC_ID or OS_SECURITY_GROUP env vars are missing but are required for DDM instances")
+	if subnetID == "" || vpcID == "" {
+		t.Skip("OS_NETWORK_ID or OS_VPC_ID env vars are missing but are required for DDM instances")
+	}
+	secGroupId := openstack.DefaultSecurityGroup(t)
+
+	engineId := "367b68a3-b48b-3d8a-b3a1-4c463a75a4b4"
+	clientV2, err := clients.NewDDMV2Client()
+	th.AssertNoErr(t, err)
+	engines, err := ddminstancesv2.QueryEngineInfo(clientV2, ddminstancesv2.QueryEngineOpts{})
+	th.AssertNoErr(t, err)
+	if len(engines) != 0 {
+		engineId = engines[0].ID
+	}
+
+	flavorId := "941b5a6d-3485-329e-902c-ffd49d352f16"
+	classes, err := ddminstancesv2.QueryNodeClasses(clientV2, ddminstancesv2.QueryNodeClassesOpts{
+		EngineId: engineId,
+	})
+	th.AssertNoErr(t, err)
+	if len(classes.ComputeFlavorGroups) != 0 {
+		flavorId = classes.ComputeFlavorGroups[0].ComputeFlavors[0].ID
 	}
 
 	instanceName := tools.RandomString("ddm-instance-", 3)
-	instanceDetails := ddminstances.CreateInstanceDetail{
+	instanceDetails := ddminstancesv1.CreateInstanceDetail{
 		Name:            instanceName,
-		FlavorId:        "941b5a6d-3485-329e-902c-ffd49d352f16",
+		FlavorId:        flavorId,
 		NodeNum:         2,
-		EngineId:        "367b68a3-b48b-3d8a-b3a1-4c463a75a4b4",
+		EngineId:        engineId,
 		AvailableZones:  []string{"eu-de-01", "eu-de-02", "eu-de-03"},
 		VpcId:           vpcID,
 		SubnetId:        subnetID,
 		SecurityGroupId: secGroupId,
 	}
-	createOpts := ddminstances.CreateOpts{
+	createOpts := ddminstancesv1.CreateOpts{
 		Instance: instanceDetails,
 	}
 
 	t.Logf("Creating DDM Instance: %s", instanceName)
-	ddmInstance, err := ddminstances.Create(client, createOpts)
+	ddmInstance, err := ddminstancesv1.Create(client, createOpts)
 	th.AssertNoErr(t, err)
 	err = golangsdk.WaitFor(1200, func() (bool, error) {
-		instanceDetails, err := ddminstances.QueryInstanceDetails(client, ddmInstance.Id)
+		instanceDetails, err := ddminstancesv1.QueryInstanceDetails(client, ddmInstance.Id)
 		if err != nil {
 			return false, err
 		}
@@ -128,20 +148,16 @@ func CreateDDMInstance(t *testing.T, client *golangsdk.ServiceClient) *ddminstan
 func DeleteDDMInstance(t *testing.T, client *golangsdk.ServiceClient, instanceId string) {
 	t.Logf("Attempting to delete DDM Instance with ID: %s", instanceId)
 
-	err := golangsdk.WaitFor(1000, func() (bool, error) {
-		_, err := ddminstances.Delete(client, instanceId, true)
-		if err != nil {
-			return false, nil
-		}
-		return true, nil
-	})
+	_, err := ddminstancesv1.Delete(client, instanceId, true)
+	th.AssertNoErr(t, err)
+	err = waitForInstanceDeleted(client, 600, instanceId)
 	th.AssertNoErr(t, err)
 	t.Logf("Deleted DDM Instance with ID: %s", instanceId)
 }
 
-func WaitForInstanceInRunningState(client *golangsdk.ServiceClient, ddmInstanceId string) error {
+func WaitForInstanceInRunningState(client *golangsdk.ServiceClient, instanceID string) error {
 	return golangsdk.WaitFor(1200, func() (bool, error) {
-		instanceDetails, err := ddminstances.QueryInstanceDetails(client, ddmInstanceId)
+		instanceDetails, err := ddminstancesv1.QueryInstanceDetails(client, instanceID)
 		if err != nil {
 			return false, err
 		}
@@ -152,3 +168,17 @@ func WaitForInstanceInRunningState(client *golangsdk.ServiceClient, ddmInstanceI
 		return false, nil
 	})
 }
+
+func waitForInstanceDeleted(client *golangsdk.ServiceClient, secs int, instanceID string) error {
+	return golangsdk.WaitFor(secs, func() (bool, error) {
+		_, err := ddminstancesv1.QueryInstanceDetails(client, instanceID)
+		if err != nil {
+			if _, ok := err.(golangsdk.ErrDefault404); ok {
+				return true, nil
+			}
+			return false, err
+		}
+
+		return false, nil
+	})
+}
diff --git a/acceptance/openstack/ddm/v1/instances_test.go b/acceptance/openstack/ddm/v1/instances_test.go
index 833befb85..f948fe582 100644
--- a/acceptance/openstack/ddm/v1/instances_test.go
+++ b/acceptance/openstack/ddm/v1/instances_test.go
@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/clients"
+	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/openstack"
 	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/tools"
 	"github.com/opentelekomcloud/gophertelekomcloud/openstack/ddm/v1/instances"
 
@@ -20,12 +21,10 @@ func TestDDMQueryInstances(t *testing.T) {
 }
 
 func TestDDMInstancesLifecycle(t *testing.T) {
-
 	vpcID := clients.EnvOS.GetEnv("VPC_ID")
 	subnetID := clients.EnvOS.GetEnv("NETWORK_ID")
-	secGroupId := clients.EnvOS.GetEnv("SECURITY_GROUP")
-	if subnetID == "" || vpcID == "" || secGroupId == "" {
-		t.Skip("OS_NETWORK_ID or OS_VPC_ID or OS_SECURITY_GROUP env vars are missing but are required for DDM instances test")
+	if subnetID == "" || vpcID == "" {
+		t.Skip("OS_NETWORK_ID or OS_VPC_ID env vars are missing but are required for DDM instances test")
 	}
 
 	// CREATE CLIENT
@@ -34,7 +33,13 @@ func TestDDMInstancesLifecycle(t *testing.T) {
 
 	// CREATE DDM INSTANCE
 	ddmInstance := CreateDDMInstance(t, client)
-
+	t.Logf("Creating Second Security Group")
+	newSecGroupId := openstack.CreateSecurityGroup(t)
+	t.Cleanup(func() {
+		t.Logf("Deleting DDM Instance: %s", ddmInstance.Id)
+		DeleteDDMInstance(t, client, ddmInstance.Id)
+		openstack.DeleteSecurityGroup(t, newSecGroupId)
+	})
 	// RENAME DDM INSTANCE
 	newInstanceName := tools.RandomString("ddm-instance-renamed-", 3)
 	t.Logf("Renaming DDM Instance '%s' to '%s'", ddmInstance.Id, newInstanceName)
@@ -44,27 +49,23 @@ func TestDDMInstancesLifecycle(t *testing.T) {
 	t.Logf("Renamed DDM Instance '%s' to '%s'", ddmInstance.Id, newInstanceName)
 
 	// MODIFY SECURITY GROUP
-	newSecGroupId := clients.EnvOS.GetEnv("SECURITY_GROUP_2")
-	if newSecGroupId != "" {
-		modifySecGroupOpts := instances.ModifySecurityGroupOpts{
-			SecurityGroupId: newSecGroupId,
-		}
-		modifiedSecGroupID, err := instances.ModifySecurityGroup(client, ddmInstance.Id, modifySecGroupOpts)
-		th.AssertNoErr(t, err)
-		th.AssertEquals(t, newSecGroupId, *modifiedSecGroupID)
+	modifySecGroupOpts := instances.ModifySecurityGroupOpts{
+		SecurityGroupId: newSecGroupId,
 	}
+	modifiedSecGroupID, err := instances.ModifySecurityGroup(client, ddmInstance.Id, modifySecGroupOpts)
+	th.AssertNoErr(t, err)
+	th.AssertEquals(t, newSecGroupId, *modifiedSecGroupID)
 
 	// QUERY NODES
+	t.Logf("Quering DDM Nodes")
 	queryNodeOpts := instances.QueryNodesOpts{}
 	nodeList, err := instances.QueryNodes(client, ddmInstance.Id, queryNodeOpts)
 	th.AssertEquals(t, len(nodeList), 2)
 	th.AssertNoErr(t, err)
 
 	// QUERY NODE DETAILS
+	t.Logf("Quering DDM Node details: %s", nodeList[0].NodeID)
 	nodeDetails, err := instances.QueryNodeDetails(client, ddmInstance.Id, nodeList[0].NodeID)
 	th.AssertNoErr(t, err)
 	th.AssertEquals(t, nodeDetails.NodeID, nodeList[0].NodeID)
-
-	// DELETE DDM INSTANCE
-	DeleteDDMInstance(t, client, ddmInstance.Id)
 }
diff --git a/acceptance/openstack/ddm/v1/schemas_test.go b/acceptance/openstack/ddm/v1/schemas_test.go
index 1ea08a9c5..70aab4ab4 100644
--- a/acceptance/openstack/ddm/v1/schemas_test.go
+++ b/acceptance/openstack/ddm/v1/schemas_test.go
@@ -14,9 +14,8 @@ import (
 func TestDDMSchemasLifecycle(t *testing.T) {
 	vpcID := clients.EnvOS.GetEnv("VPC_ID")
 	subnetID := clients.EnvOS.GetEnv("NETWORK_ID")
-	secGroupId := clients.EnvOS.GetEnv("SECURITY_GROUP")
-	if subnetID == "" || vpcID == "" || secGroupId == "" {
-		t.Skip("OS_NETWORK_ID or OS_VPC_ID or OS_SECURITY_GROUP env vars are missing but are required for DDM instances test")
+	if subnetID == "" || vpcID == "" {
+		t.Skip("OS_NETWORK_ID or OS_VPC_ID env vars are missing but are required for DDM instances test")
 	}
 
 	// CREATE DDM CLIENT
@@ -26,14 +25,11 @@ func TestDDMSchemasLifecycle(t *testing.T) {
 	rdsclient, err := clients.NewRdsV3()
 	th.AssertNoErr(t, err)
 
-	cc, err := clients.CloudAndClient()
-	th.AssertNoErr(t, err)
-
 	// CREATE DDM INSTANCE
 	ddmInstance := CreateDDMInstance(t, client)
 	// CREATE RDS INSTANCE
 	// RDS INSTANCE MUST BE MYSQL 5.7, 8.0 WITH LowerCaseTableNames SET TO 1
-	rdsInstance := CreateRDS(t, rdsclient, cc.RegionName)
+	rdsInstance := CreateRDS(t, rdsclient, client.RegionID)
 
 	// CLEANUP
 	t.Cleanup(func() {
diff --git a/acceptance/openstack/ddm/v2/instances_test.go b/acceptance/openstack/ddm/v2/instances_test.go
index c045858b4..c636ce952 100644
--- a/acceptance/openstack/ddm/v2/instances_test.go
+++ b/acceptance/openstack/ddm/v2/instances_test.go
@@ -10,7 +10,7 @@ import (
 )
 
 func TestQueryEngineInfoAndNodeClasses(t *testing.T) {
-	// CREATE V2 ClIENT
+	// CREATE V2 CLIENT
 	client, err := clients.NewDDMV2Client()
 	th.AssertNoErr(t, err)
 
@@ -25,28 +25,45 @@ func TestQueryEngineInfoAndNodeClasses(t *testing.T) {
 }
 
 func TestDDMInstancesV2Scaling(t *testing.T) {
-	//CREATE V1 CLIENT
-	ddmv1client, err := clients.NewDDMV1Client()
+	// CREATE V1 CLIENT
+	ddmV1Client, err := clients.NewDDMV1Client()
 	th.AssertNoErr(t, err)
-	// CREATE V2 ClIENT
-	ddmv2client, err := clients.NewDDMV2Client()
+	// CREATE V2 CLIENT
+	ddmV2Client, err := clients.NewDDMV2Client()
 	th.AssertNoErr(t, err)
 
 	// CREATE DDM INSTANCE
-	ddmInstance := ddmhelper.CreateDDMInstance(t, ddmv1client)
+	ddmInstance := ddmhelper.CreateDDMInstance(t, ddmV1Client)
 	t.Cleanup(func() {
-		ddmhelper.DeleteDDMInstance(t, ddmv1client, ddmInstance.Id)
+		ddmhelper.DeleteDDMInstance(t, ddmV1Client, ddmInstance.Id)
 	})
 
 	// SCALE OUT
+	engineId := "367b68a3-b48b-3d8a-b3a1-4c463a75a4b4"
+	clientV2, err := clients.NewDDMV2Client()
+	th.AssertNoErr(t, err)
+	engines, err := instances.QueryEngineInfo(clientV2, instances.QueryEngineOpts{})
+	th.AssertNoErr(t, err)
+	if len(engines) != 0 {
+		engineId = engines[0].ID
+	}
+
+	flavorId := "941b5a6d-3485-329e-902c-ffd49d352f16"
+	classes, err := instances.QueryNodeClasses(clientV2, instances.QueryNodeClassesOpts{
+		EngineId: engineId,
+	})
+	th.AssertNoErr(t, err)
+	if len(classes.ComputeFlavorGroups) != 0 {
+		flavorId = classes.ComputeFlavorGroups[0].ComputeFlavors[0].ID
+	}
 	t.Logf("Scaling out DDM Instance %s", ddmInstance.Id)
 	scaleOutOpts := instances.ScaleOutOpts{
-		FlavorId:   "941b5a6d-3485-329e-902c-ffd49d352f16",
+		FlavorId:   flavorId,
 		NodeNumber: 1,
 	}
-	_, err = instances.ScaleOut(ddmv2client, ddmInstance.Id, scaleOutOpts)
+	_, err = instances.ScaleOut(ddmV2Client, ddmInstance.Id, scaleOutOpts)
 	th.AssertNoErr(t, err)
-	err = ddmhelper.WaitForInstanceInRunningState(ddmv1client, ddmInstance.Id)
+	err = ddmhelper.WaitForInstanceInRunningState(ddmV1Client, ddmInstance.Id)
 	th.AssertNoErr(t, err)
 	t.Logf("Scaled out DDM Instance %s to n+1 nodes", ddmInstance.Id)
 
@@ -55,9 +72,9 @@ func TestDDMInstancesV2Scaling(t *testing.T) {
 	scaleInOpts := instances.ScaleInOpts{
 		NodeNumber: 1,
 	}
-	_, err = instances.ScaleIn(ddmv2client, ddmInstance.Id, scaleInOpts)
+	_, err = instances.ScaleIn(ddmV2Client, ddmInstance.Id, scaleInOpts)
 	th.AssertNoErr(t, err)
-	err = ddmhelper.WaitForInstanceInRunningState(ddmv1client, ddmInstance.Id)
+	err = ddmhelper.WaitForInstanceInRunningState(ddmV1Client, ddmInstance.Id)
 	th.AssertNoErr(t, err)
 	t.Logf("Scaled in DDM Instance %s to n-1 nodes", ddmInstance.Id)
 
diff --git a/acceptance/openstack/ddm/v3/accounts_test.go b/acceptance/openstack/ddm/v3/accounts_test.go
index 50312c949..3e0dbb169 100644
--- a/acceptance/openstack/ddm/v3/accounts_test.go
+++ b/acceptance/openstack/ddm/v3/accounts_test.go
@@ -2,25 +2,28 @@ package v3
 
 import (
 	"testing"
+	"time"
 
+	golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
 	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/clients"
 	ddmhelper "github.com/opentelekomcloud/gophertelekomcloud/acceptance/openstack/ddm/v1"
+	ddminstancesv1 "github.com/opentelekomcloud/gophertelekomcloud/openstack/ddm/v1/instances"
 	"github.com/opentelekomcloud/gophertelekomcloud/openstack/ddm/v3/accounts"
 	th "github.com/opentelekomcloud/gophertelekomcloud/testhelper"
 )
 
 func TestDDMAccountsTestV3(t *testing.T) {
-	//CREATE V1 CLIENT
-	ddmv1client, err := clients.NewDDMV1Client()
+	// CREATE V1 CLIENT
+	ddmV1Client, err := clients.NewDDMV1Client()
 	th.AssertNoErr(t, err)
-	// CREATE V3 ClIENT
-	ddmv3client, err := clients.NewDDMV3Client()
+	// CREATE V3 CLIENT
+	ddmV3Client, err := clients.NewDDMV3Client()
 	th.AssertNoErr(t, err)
 
 	// CREATE DDM INSTANCE
-	ddmInstance := ddmhelper.CreateDDMInstance(t, ddmv1client)
+	ddmInstance := ddmhelper.CreateDDMInstance(t, ddmV1Client)
 	t.Cleanup(func() {
-		ddmhelper.DeleteDDMInstance(t, ddmv1client, ddmInstance.Id)
+		ddmhelper.DeleteDDMInstance(t, ddmV1Client, ddmInstance.Id)
 	})
 
 	// RESET DDM ACCOUNT PASSWORD
@@ -29,7 +32,18 @@ func TestDDMAccountsTestV3(t *testing.T) {
 		Name:     "root",
 		Password: "acc-test-password1!",
 	}
-	_, err = accounts.ManageAdminPass(ddmv3client, ddmInstance.Id, manageAdminOpts)
+	_, err = accounts.ManageAdminPass(ddmV3Client, ddmInstance.Id, manageAdminOpts)
 	th.AssertNoErr(t, err)
+	err = golangsdk.WaitFor(600, func() (bool, error) {
+		instanceDetails, err := ddminstancesv1.QueryInstanceDetails(ddmV1Client, ddmInstance.Id)
+		if err != nil {
+			return false, err
+		}
+		time.Sleep(5 * time.Second)
+		if instanceDetails.Status == "RUNNING" {
+			return true, nil
+		}
+		return false, nil
+	})
 
 }
diff --git a/acceptance/openstack/ddm/v3/instances_test.go b/acceptance/openstack/ddm/v3/instances_test.go
index 4bb1251c6..55e3dd58e 100644
--- a/acceptance/openstack/ddm/v3/instances_test.go
+++ b/acceptance/openstack/ddm/v3/instances_test.go
@@ -10,22 +10,22 @@ import (
 )
 
 func TestDDMInstancesTestV3(t *testing.T) {
-	//CREATE V1 CLIENT
-	ddmv1client, err := clients.NewDDMV1Client()
+	// CREATE V1 CLIENT
+	ddmV1Client, err := clients.NewDDMV1Client()
 	th.AssertNoErr(t, err)
-	// CREATE V3 ClIENT
-	ddmv3client, err := clients.NewDDMV3Client()
+	// CREATE V3 CLIENT
+	ddmV3Client, err := clients.NewDDMV3Client()
 	th.AssertNoErr(t, err)
 
 	// CREATE DDM INSTANCE
-	ddmInstance := ddmhelper.CreateDDMInstance(t, ddmv1client)
+	ddmInstance := ddmhelper.CreateDDMInstance(t, ddmV1Client)
 	t.Cleanup(func() {
-		ddmhelper.DeleteDDMInstance(t, ddmv1client, ddmInstance.Id)
+		ddmhelper.DeleteDDMInstance(t, ddmV1Client, ddmInstance.Id)
 	})
 
 	// QUERY PARAMETERS
 	t.Logf("Listing parameters for DDM instance  %s", ddmInstance.Id)
-	_, err = instances.QueryParameters(ddmv3client, ddmInstance.Id, instances.QueryParametersOpts{})
+	_, err = instances.QueryParameters(ddmV3Client, ddmInstance.Id, instances.QueryParametersOpts{})
 	th.AssertNoErr(t, err)
 
 	// MODIFY PARAMETERS
@@ -35,7 +35,7 @@ func TestDDMInstancesTestV3(t *testing.T) {
 			MaxConnections: "30000",
 		},
 	}
-	_, err = instances.ModifyParameters(ddmv3client, ddmInstance.Id, modifyParametersOpts)
+	_, err = instances.ModifyParameters(ddmV3Client, ddmInstance.Id, modifyParametersOpts)
 	th.AssertNoErr(t, err)
 
 	// CHANGING NODE CLASS
@@ -43,9 +43,9 @@ func TestDDMInstancesTestV3(t *testing.T) {
 	changeNodeClassOpts := instances.ChangeNodeClassOpts{
 		SpecCode: "ddm.8xlarge.2",
 	}
-	_, err = instances.ChangeNodeClass(ddmv3client, ddmInstance.Id, changeNodeClassOpts)
+	_, err = instances.ChangeNodeClass(ddmV3Client, ddmInstance.Id, changeNodeClassOpts)
 	th.AssertNoErr(t, err)
-	err = ddmhelper.WaitForInstanceInRunningState(ddmv1client, ddmInstance.Id)
+	err = ddmhelper.WaitForInstanceInRunningState(ddmV1Client, ddmInstance.Id)
 	th.AssertNoErr(t, err)
 	t.Logf("Modified node class for DDM instance  %s", ddmInstance.Id)
 }
diff --git a/openstack/ddm/v1/instances/Create.go b/openstack/ddm/v1/instances/Create.go
index 31b8841cb..3267c14cd 100644
--- a/openstack/ddm/v1/instances/Create.go
+++ b/openstack/ddm/v1/instances/Create.go
@@ -43,7 +43,7 @@ type CreateInstanceDetail struct {
 	AdminUserPassword string `json:"admin_user_password,omitempty"`
 }
 
-// This function is used to create a DDM instance
+// Create function is used to create a DDM instance
 func Create(client *golangsdk.ServiceClient, opts CreateOpts) (*Instance, error) {
 	b, err := build.RequestBody(opts, "")
 	if err != nil {
diff --git a/openstack/ddm/v1/instances/Delete.go b/openstack/ddm/v1/instances/Delete.go
index af7784ac5..85ff809c2 100644
--- a/openstack/ddm/v1/instances/Delete.go
+++ b/openstack/ddm/v1/instances/Delete.go
@@ -13,7 +13,7 @@ type DeleteQueryParams struct {
 	DeleteRdsData string `q:"delete_rds_data"`
 }
 
-// This function is used to delete a DDM instance to release all its resources.
+// Delete function is used to delete a DDM instance to release all its resources.
 func Delete(client *golangsdk.ServiceClient, instanceId string, deleteRdsData bool) (*string, error) {
 
 	deleteData := "false"
diff --git a/openstack/ddm/v1/instances/ModifyName.go b/openstack/ddm/v1/instances/ModifyName.go
index 7ef706aaa..0df6f5507 100644
--- a/openstack/ddm/v1/instances/ModifyName.go
+++ b/openstack/ddm/v1/instances/ModifyName.go
@@ -6,7 +6,7 @@ import (
 	"github.com/opentelekomcloud/gophertelekomcloud/internal/extract"
 )
 
-// This function is used to modify the name of a DDM instance.
+// Rename function is used to modify the name of a DDM instance.
 // name is the name of a DDM instance, which:
 // Can include 4 to 64 characters.
 // Must start with a letter.
diff --git a/openstack/ddm/v1/instances/ModifySecurityGroup.go b/openstack/ddm/v1/instances/ModifySecurityGroup.go
index f7dbcc8f4..156a98f8e 100644
--- a/openstack/ddm/v1/instances/ModifySecurityGroup.go
+++ b/openstack/ddm/v1/instances/ModifySecurityGroup.go
@@ -11,7 +11,7 @@ type ModifySecurityGroupOpts struct {
 	SecurityGroupId string `json:"security_group_id" required:"true"`
 }
 
-// This function is used to modify the security group of a DDM instance.
+// ModifySecurityGroup function is used to modify the security group of a DDM instance.
 func ModifySecurityGroup(client *golangsdk.ServiceClient, instanceId string, opts ModifySecurityGroupOpts) (*string, error) {
 	b, err := build.RequestBody(opts, "")
 	if err != nil {
diff --git a/openstack/ddm/v1/instances/QueryInstanceDetails.go b/openstack/ddm/v1/instances/QueryInstanceDetails.go
index 9f1fb6b77..470e55400 100644
--- a/openstack/ddm/v1/instances/QueryInstanceDetails.go
+++ b/openstack/ddm/v1/instances/QueryInstanceDetails.go
@@ -5,7 +5,7 @@ import (
 	"github.com/opentelekomcloud/gophertelekomcloud/internal/extract"
 )
 
-// This API is used to query details about a DDM instance.
+// QueryInstanceDetails is used to query details about a DDM instance.
 func QueryInstanceDetails(client *golangsdk.ServiceClient, instanceId string) (*QueryInstanceDetailsResponse, error) {
 
 	// GET /v1/{project_id}/instances/{instance_id}
@@ -60,12 +60,12 @@ type QueryInstanceDetailsResponse struct {
 	// Engine version (core instance version)
 	EngineVersion string `json:"engine_version"`
 	// Node information
-	Nodes []GetDetailfNodesInfo `json:"nodes"`
+	Nodes []GetDetailNodesInfo `json:"nodes"`
 	// Username of the administrator. The username: Can include 1 to 32 characters. Must start with a letter. Can contain only letters, digits, and underscores (_).
 	AdminUserName string `json:"admin_user_name"`
 }
 
-type GetDetailfNodesInfo struct {
+type GetDetailNodesInfo struct {
 	// Status of the DDM instance node. For details, see Status Description at
 	// https://docs.otc.t-systems.com/distributed-database-middleware/api-ref/appendix/status_description.html
 	Status string `json:"status"`
diff --git a/openstack/ddm/v1/instances/QueryInstances.go b/openstack/ddm/v1/instances/QueryInstances.go
index 9c125d939..b78fd830b 100644
--- a/openstack/ddm/v1/instances/QueryInstances.go
+++ b/openstack/ddm/v1/instances/QueryInstances.go
@@ -19,7 +19,7 @@ type QueryInstancesOpts struct {
 	Limit int `q:"limit"`
 }
 
-// This function is used to query DDM instances.
+// QueryInstances function is used to query DDM instances.
 func QueryInstances(client *golangsdk.ServiceClient, opts QueryInstancesOpts) ([]ShowInstanceBeanResponse, error) {
 	// GET /v1/{project_id}/instances?offset={offset}&limit={limit}
 	url, err := golangsdk.NewURLBuilder().WithEndpoints("instances").WithQueryParams(&opts).Build()
diff --git a/openstack/ddm/v1/instances/QueryNodeDetails.go b/openstack/ddm/v1/instances/QueryNodeDetails.go
index 4e6aed468..fd0f9a4a7 100644
--- a/openstack/ddm/v1/instances/QueryNodeDetails.go
+++ b/openstack/ddm/v1/instances/QueryNodeDetails.go
@@ -5,7 +5,7 @@ import (
 	"github.com/opentelekomcloud/gophertelekomcloud/internal/extract"
 )
 
-// This API  is used to query details of a DDM instance node.
+// QueryNodeDetails is used to query details of a DDM instance node.
 func QueryNodeDetails(client *golangsdk.ServiceClient, instanceId string, nodeId string) (*QueryNodeDetailsResponse, error) {
 
 	// GET /v1/{project_id}/instances/{instance_id}/nodes/{node_id}
diff --git a/openstack/ddm/v1/instances/QueryNodes.go b/openstack/ddm/v1/instances/QueryNodes.go
index 184f83ed7..880722708 100644
--- a/openstack/ddm/v1/instances/QueryNodes.go
+++ b/openstack/ddm/v1/instances/QueryNodes.go
@@ -19,7 +19,7 @@ type QueryNodesOpts struct {
 	Limit int `q:"limit"`
 }
 
-// This function is used to query nodes of a DDM instance.
+// QueryNodes function is used to query nodes of a DDM instance.
 func QueryNodes(client *golangsdk.ServiceClient, instanceId string, opts QueryNodesOpts) ([]NodeList, error) {
 	// GET /v1/{project_id}/instances/{instance_id}/nodes?offset={offset}&limit={limit}
 	url, err := golangsdk.NewURLBuilder().WithEndpoints("instances", instanceId, "nodes").WithQueryParams(&opts).Build()
diff --git a/openstack/ddm/v1/instances/ReloadTableData.go b/openstack/ddm/v1/instances/ReloadTableData.go
index 0b32d9e92..d9d071b28 100644
--- a/openstack/ddm/v1/instances/ReloadTableData.go
+++ b/openstack/ddm/v1/instances/ReloadTableData.go
@@ -4,7 +4,7 @@ import (
 	golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
 )
 
-// This function is used to reload table data of the destination DDM instance for cross-region DR.
+// ReloadTableData function is used to reload table data of the destination DDM instance for cross-region DR.
 func ReloadTableData(client *golangsdk.ServiceClient, instanceId string) error {
 	// POST /v1/{project_id}/instances/{instance_id}/reload-config
 	_, err := client.Post(client.ServiceURL("instances", instanceId, "reload-config"), nil, nil, &golangsdk.RequestOpts{
diff --git a/openstack/ddm/v1/instances/RestartInstance.go b/openstack/ddm/v1/instances/RestartInstance.go
index 01bb87f97..5d2fbc82f 100644
--- a/openstack/ddm/v1/instances/RestartInstance.go
+++ b/openstack/ddm/v1/instances/RestartInstance.go
@@ -21,7 +21,7 @@ type RestartInstanceInfo struct {
 	Type string `json:"type,omitempty"`
 }
 
-// This function is used to restart a DDM instance.
+// RestartInstance function is used to restart a DDM instance.
 // Specify Restart in the RestartOpts for proper result.
 func RestartInstance(client *golangsdk.ServiceClient, instanceId string, opts RestartOpts) (*ResponseInstance, error) {
 	b, err := build.RequestBody(opts, "")
diff --git a/openstack/ddm/v1/instances/SyncDataNode.go b/openstack/ddm/v1/instances/SyncDataNode.go
index 22b6430cf..2d4768dea 100644
--- a/openstack/ddm/v1/instances/SyncDataNode.go
+++ b/openstack/ddm/v1/instances/SyncDataNode.go
@@ -5,7 +5,7 @@ import (
 	"github.com/opentelekomcloud/gophertelekomcloud/internal/extract"
 )
 
-// This API is used to synchronize configuration information of all data nodes that are associated with a DDM instance.
+// SyncDataNodesInfo is used to synchronize configuration information of all data nodes that are associated with a DDM instance.
 func SyncDataNodesInfo(client *golangsdk.ServiceClient, instanceId string) (*SyncDataNodesInfoResponse, error) {
 
 	// POST /v1/{project_id}/instances/{instance_id}/rds/sync
diff --git a/openstack/ddm/v1/schemas/Create.go b/openstack/ddm/v1/schemas/Create.go
index 0e693c216..f2b892e86 100644
--- a/openstack/ddm/v1/schemas/Create.go
+++ b/openstack/ddm/v1/schemas/Create.go
@@ -44,7 +44,7 @@ type DatabaseInstancesParam struct {
 	AdminPassword string `json:"adminPassword" required:"true"`
 }
 
-// This function is used to create a schema.
+// CreateSchema function is used to create a schema.
 // Before creating a schema, ensure that you have associated RDS instances with your DDM instance and that the RDS instances are not associated with other DDM instances.
 func CreateSchema(client *golangsdk.ServiceClient, instanceId string, opts CreateSchemaOpts) (*CreateSchemaResponse, error) {
 	b, err := build.RequestBody(opts, "")
diff --git a/openstack/ddm/v1/schemas/Delete.go b/openstack/ddm/v1/schemas/Delete.go
index 2f5c8e472..439c5d47f 100644
--- a/openstack/ddm/v1/schemas/Delete.go
+++ b/openstack/ddm/v1/schemas/Delete.go
@@ -14,7 +14,7 @@ type DeleteQueryParams struct {
 	DeleteRdsData string `q:"delete_rds_data"`
 }
 
-// This function  is used to delete a schema to release all its resources.
+// DeleteSchema is used to delete a schema to release all its resources.
 // schemaName is the name of the schema to be queried, which is case-insensitive
 func DeleteSchema(client *golangsdk.ServiceClient, instanceId string, schemaName string, deleteRdsData bool) (*string, error) {
 
diff --git a/openstack/ddm/v1/schemas/QueryAvailableDBInstances.go b/openstack/ddm/v1/schemas/QueryAvailableDBInstances.go
index 531dbcdbc..9b25f02d9 100644
--- a/openstack/ddm/v1/schemas/QueryAvailableDBInstances.go
+++ b/openstack/ddm/v1/schemas/QueryAvailableDBInstances.go
@@ -19,7 +19,7 @@ type QueryAvailableDbOpts struct {
 	Limit int `q:"limit"`
 }
 
-// This function is used to query DB instances that can be used for creating a schema.
+// QueryAvailableDb is used to query DB instances that can be used for creating a schema.
 func QueryAvailableDb(client *golangsdk.ServiceClient, instanceId string, opts QueryAvailableDbOpts) ([]QueryAvailableRdsList, error) {
 	// GET /v1/{project_id}/instances/{instance_id}/rds?offset={offset}&limit={limit}
 	url, err := golangsdk.NewURLBuilder().WithEndpoints("instances", instanceId, "rds").WithQueryParams(&opts).Build()
diff --git a/openstack/ddm/v1/schemas/QuerySchemaDetails.go b/openstack/ddm/v1/schemas/QuerySchemaDetails.go
index 3365a0203..c90018943 100644
--- a/openstack/ddm/v1/schemas/QuerySchemaDetails.go
+++ b/openstack/ddm/v1/schemas/QuerySchemaDetails.go
@@ -5,7 +5,7 @@ import (
 	"github.com/opentelekomcloud/gophertelekomcloud/internal/extract"
 )
 
-// This API is used to query details about a schema.
+// QuerySchemaDetails is used to query details about a schema.
 // schemaName is the name of the schema to be queried, which is case-insensitive
 func QuerySchemaDetails(client *golangsdk.ServiceClient, instanceId string, schemaName string) (*QuerySchemaDetailsResponse, error) {
 
diff --git a/openstack/ddm/v1/schemas/QuerySchemas.go b/openstack/ddm/v1/schemas/QuerySchemas.go
index 008c71bba..f24932f85 100644
--- a/openstack/ddm/v1/schemas/QuerySchemas.go
+++ b/openstack/ddm/v1/schemas/QuerySchemas.go
@@ -19,7 +19,7 @@ type QuerySchemasOpts struct {
 	Limit int `q:"limit"`
 }
 
-// This function  is used to query schemas of a DDM instance.
+// QuerySchemas is used to query schemas of a DDM instance.
 func QuerySchemas(client *golangsdk.ServiceClient, instanceId string, opts QuerySchemasOpts) ([]GetDatabaseInfo, error) {
 	// GET /v1/{project_id}/instances/{instance_id}/databases?offset={offset}&limit={limit}
 	url, err := golangsdk.NewURLBuilder().WithEndpoints("instances", instanceId, "databases").WithQueryParams(&opts).Build()
diff --git a/openstack/ddm/v2/instances/ModifyDBReadPolicy.go b/openstack/ddm/v2/instances/ModifyDBReadPolicy.go
index 89bd484ce..7471a5c4a 100644
--- a/openstack/ddm/v2/instances/ModifyDBReadPolicy.go
+++ b/openstack/ddm/v2/instances/ModifyDBReadPolicy.go
@@ -12,7 +12,7 @@ type ModifyDbReadPolicyOpts struct {
 	ReadWeight map[string]int `json:"read_weight" required:"true"`
 }
 
-// This function is used to modify the read policy of the DB instance associated with a DDM instance.
+// ModifyDbReadPolicy is used to modify the read policy of the DB instance associated with a DDM instance.
 func ModifyDbReadPolicy(client *golangsdk.ServiceClient, instanceId string, opts ModifyDbReadPolicyOpts) (*ModifyDbReadPolicyResponse, error) {
 	b, err := build.RequestBody(opts, "")
 	if err != nil {
diff --git a/openstack/ddm/v2/instances/QueryEngineInfo.go b/openstack/ddm/v2/instances/QueryEngineInfo.go
index 34516c173..d5f5e802e 100644
--- a/openstack/ddm/v2/instances/QueryEngineInfo.go
+++ b/openstack/ddm/v2/instances/QueryEngineInfo.go
@@ -19,7 +19,7 @@ type QueryEngineOpts struct {
 	Limit int `q:"limit"`
 }
 
-// This function is used to query DDM instances.
+// QueryEngineInfo is used to query DDM instances.
 func QueryEngineInfo(client *golangsdk.ServiceClient, opts QueryEngineOpts) ([]EngineGroupsInfo, error) {
 	// GET /v2/{project_id}/engines?offset={offset}&limit={limit}
 	url, err := golangsdk.NewURLBuilder().WithEndpoints("engines").WithQueryParams(&opts).Build()
diff --git a/openstack/ddm/v2/instances/QueryNodeClasses.go b/openstack/ddm/v2/instances/QueryNodeClasses.go
index 3bfae883d..d1ccae6fd 100644
--- a/openstack/ddm/v2/instances/QueryNodeClasses.go
+++ b/openstack/ddm/v2/instances/QueryNodeClasses.go
@@ -18,7 +18,7 @@ type QueryNodeClassesOpts struct {
 	Limit int `q:"limit"`
 }
 
-// This function is used to query DDM node classes available in an AZ.
+// QueryNodeClasses is used to query DDM node classes available in an AZ.
 func QueryNodeClasses(client *golangsdk.ServiceClient, opts QueryNodeClassesOpts) (*QueryNodeClassesResponse, error) {
 	// GET /v2/{project_id}/flavors?engine_id={engine_id}?offset={offset}&limit={limit}
 	url, err := golangsdk.NewURLBuilder().WithEndpoints("flavors").WithQueryParams(&opts).Build()
diff --git a/openstack/ddm/v2/instances/ScaleIn.go b/openstack/ddm/v2/instances/ScaleIn.go
index b96811def..708bb4aee 100644
--- a/openstack/ddm/v2/instances/ScaleIn.go
+++ b/openstack/ddm/v2/instances/ScaleIn.go
@@ -13,7 +13,7 @@ type ScaleInOpts struct {
 	GroupId string `json:"group_id,omitempty"`
 }
 
-// This function is used to remove nodes from a specified DDM instance.
+// ScaleIn is used to remove nodes from a specified DDM instance.
 func ScaleIn(client *golangsdk.ServiceClient, instanceId string, opts ScaleInOpts) (*ScaleInResponse, error) {
 	b, err := build.RequestBody(opts, "")
 	if err != nil {
diff --git a/openstack/ddm/v2/instances/ScaleOut.go b/openstack/ddm/v2/instances/ScaleOut.go
index 6e68bae5c..671244172 100644
--- a/openstack/ddm/v2/instances/ScaleOut.go
+++ b/openstack/ddm/v2/instances/ScaleOut.go
@@ -17,7 +17,7 @@ type ScaleOutOpts struct {
 	IsAutoPay bool `json:"is_auto_pay,omitempty"`
 }
 
-// This function is used to scale out a specified DDM instance.
+// ScaleOut is used to scale out a specified DDM instance.
 func ScaleOut(client *golangsdk.ServiceClient, instanceId string, opts ScaleOutOpts) (*ScaleOutResponse, error) {
 	b, err := build.RequestBody(opts, "")
 	if err != nil {
diff --git a/openstack/ddm/v3/accounts/ManageAdminPassword.go b/openstack/ddm/v3/accounts/ManageAdminPassword.go
index 0dbdc41cd..fe3048425 100644
--- a/openstack/ddm/v3/accounts/ManageAdminPassword.go
+++ b/openstack/ddm/v3/accounts/ManageAdminPassword.go
@@ -19,7 +19,7 @@ type ManageAdminPassOpts struct {
 	Password string `json:"password" required:"true"`
 }
 
-// This function is used to manage the password of the DDM instance administrator.
+// ManageAdminPass is used to manage the password of the DDM instance administrator.
 // If it is the first time to call this API, it is used to create an administrator and reset its password for a DDM instance.
 // Then this API can only be used to update the administrator password.
 func ManageAdminPass(client *golangsdk.ServiceClient, instanceId string, opts ManageAdminPassOpts) (*ManageAdminPassResponse, error) {
diff --git a/openstack/ddm/v3/instances/ModifyParameters.go b/openstack/ddm/v3/instances/ModifyParameters.go
index 9557acf9a..a9a69a840 100644
--- a/openstack/ddm/v3/instances/ModifyParameters.go
+++ b/openstack/ddm/v3/instances/ModifyParameters.go
@@ -15,84 +15,65 @@ type Values struct {
 	// Data association among multiple sharded tables. The optimizer processes JOIN operations at the MySQL layer based on these associations.
 	// The format is [{tb.col1,tb2.col2},{tb.col2,tb3.col1},...]. (Optional)
 	BindTable string `json:"bind_table,omitempty"`
-
 	// DDM server's character set. To store emoticons, set both this parameter and the character set on RDS to utf8mb4.
 	// Enumerated values: gbk, utf8, utf8mb4 (Optional)
 	CharacterSetServer string `json:"character_set_server,omitempty"`
-
 	// Collation on the DDM server.
 	// Enumerated values: utf8_unicode_ci, utf8_bin, gbk_chinese_ci, gbk_bin, utf8mb4_unicode_ci, utf8mb4_bin (Optional)
 	CollationServer string `json:"collation_server,omitempty"`
-
 	// Concurrency level of scanning table shards in a logical table.
 	// Enumerated values: RDS_INSTANCE, DATA_NODE, PHY_TABLE (Optional)
 	ConcurrentExecutionLevel string `json:"concurrent_execution_level,omitempty"`
-
 	// Number of seconds the server waits for activity on a connection before closing it.
 	// Range: 60-28800. Default: 28800 (Optional)
 	ConnectionIdleTimeout string `json:"connection_idle_timeout,omitempty"`
-
 	// Whether the table recycle bin is enabled.
 	// Enumerated values: OFF, ON (Optional)
 	EnableTableRecycle string `json:"enable_table_recycle,omitempty"`
-
 	// Whether constant values can be inserted by executing the LOAD DATA statement.
 	// Enumerated values: OFF, ON (Optional)
 	InsertToLoadData string `json:"insert_to_load_data,omitempty"`
-
 	// Timeout limit of an in-transit transaction, in seconds.
 	// Range: 0-100. Default: 1 (Optional)
 	LiveTransactionTimeoutOnShutdown string `json:"live_transaction_timeout_on_shutdown,omitempty"`
-
 	// Minimum duration of a query to be logged as slow, in seconds.
 	// Range: 0.01-10. Default: 1 (Optional)
 	LongQueryTime string `json:"long_query_time,omitempty"`
-
 	// Maximum size of a packet or any generated intermediate string.
 	// Range: 1024-1073741824. Default: 16777216 (Optional)
 	MaxAllowedPacket string `json:"max_allowed_packet,omitempty"`
-
 	// Maximum of concurrent RDS client connections allowed per DDM instance. Default: 0 (Optional)
 	MaxBackendConnections string `json:"max_backend_connections,omitempty"`
-
 	// Concurrent connections allowed per DDM instance, depending on the class and quantity of associated RDS instances.
 	// Range: 10-40000. Default: 20000 (Optional)
 	MaxConnections string `json:"max_connections,omitempty"`
-
 	// Minimum concurrent connections from a DDM node to an RDS instance.
 	// Range: 0-10000000. Default: 10 (Optional)
 	MinBackendConnections string `json:"min_backend_connections,omitempty"`
-
 	// Whether the SELECT statements that do not contain any FROM clauses are pushed down.
 	// Enumerated values: OFF, ON (Optional)
 	NotFromPushdown string `json:"not_from_pushdown,omitempty"`
-
 	// Threshold in seconds of the replication lag between a primary RDS instance to its read replica.
 	// Range: 0-7200. Default: 30 (Optional)
 	SecondsBehindMaster string `json:"seconds_behind_master,omitempty"`
-
 	// Whether SQL audit is enabled.
 	// Enumerated values: OFF, ON (Optional)
 	SQLAudit string `json:"sql_audit,omitempty"`
-
 	// Number of seconds to wait for a SQL statement to execute before it times out.
 	// Range: 100-28800. Default: 28800 (Optional)
 	SQLExecuteTimeout string `json:"sql_execute_timeout,omitempty"`
-
 	// Whether a binlog hint is added to each DDL statement.
 	// Enumerated values: OFF, ON (Optional)
 	SupportDDLBinlogHint string `json:"support_ddl_binlog_hint,omitempty"`
-
 	// Transactions supported by DDM.
 	// Enumerated values: XA, FREE, NO_DTX (Optional)
 	TransactionPolicy string `json:"transaction_policy,omitempty"`
-
 	// Whether the SQL execution plan is optimized based on parameter values.
 	// Enumerated values: OFF, ON (Optional)
 	UltimateOptimize string `json:"ultimate_optimize,omitempty"`
 }
 
-// This function is used to modify parameters of a DDM instance.
+// ModifyParameters is used to modify parameters of a DDM instance.
 func ModifyParameters(client *golangsdk.ServiceClient, instanceId string, opts ModifyParametersOpts) (*ModifyParametersResponse, error) {
 	b, err := build.RequestBody(opts, "")
 	if err != nil {
@@ -114,16 +95,12 @@ func ModifyParameters(client *golangsdk.ServiceClient, instanceId string, opts M
 type ModifyParametersResponse struct {
 	// DDM instance nodes
 	NodeList string `json:"nodeList"`
-
 	// Whether the instance needs to be restarted
 	NeedRestart bool `json:"needRestart"`
-
 	// Task ID
 	JobID string `json:"jobId"`
-
 	// Parameter group ID
 	ConfigID string `json:"configId"`
-
 	// Parameter group name
 	ConfigName string `json:"configName"`
 }
diff --git a/openstack/ddm/v3/instances/QueryParameters.go b/openstack/ddm/v3/instances/QueryParameters.go
index 024336783..f64902d4b 100644
--- a/openstack/ddm/v3/instances/QueryParameters.go
+++ b/openstack/ddm/v3/instances/QueryParameters.go
@@ -19,7 +19,7 @@ type QueryParametersOpts struct {
 	Limit int `q:"limit"`
 }
 
-// This function is used to query parameters of a specified DDM instance.
+// QueryParameters is used to query parameters of a specified DDM instance.
 func QueryParameters(client *golangsdk.ServiceClient, instanceId string, opts QueryParametersOpts) ([]ConfigurationParameterList, error) {
 	// GET /v3/{project_id}/instances/{instance_id}/configurations?offset={offset}&limit={limit}
 	url, err := golangsdk.NewURLBuilder().WithEndpoints("instances", instanceId, "configurations").WithQueryParams(&opts).Build()