diff --git a/services/sqlserverflex/model_create_database_payload.go b/services/sqlserverflex/model_create_database_payload.go
index 2f1d4645f..8b1182aa7 100644
--- a/services/sqlserverflex/model_create_database_payload.go
+++ b/services/sqlserverflex/model_create_database_payload.go
@@ -61,9 +61,9 @@ func setCreateDatabasePayloadGetOptionsAttributeType(arg *CreateDatabasePayloadG
 // CreateDatabasePayload struct for CreateDatabasePayload
 type CreateDatabasePayload struct {
 	// REQUIRED
-	Name CreateDatabasePayloadGetNameAttributeType `json:"name"`
+	Name CreateDatabasePayloadGetNameAttributeType `json:"name" required:"true"`
 	// REQUIRED
-	Options CreateDatabasePayloadGetOptionsAttributeType `json:"options"`
+	Options CreateDatabasePayloadGetOptionsAttributeType `json:"options" required:"true"`
 }
 
 type _CreateDatabasePayload CreateDatabasePayload
diff --git a/services/sqlserverflex/model_create_instance_payload.go b/services/sqlserverflex/model_create_instance_payload.go
index a3fa6363c..65e5af1e0 100644
--- a/services/sqlserverflex/model_create_instance_payload.go
+++ b/services/sqlserverflex/model_create_instance_payload.go
@@ -188,11 +188,11 @@ type CreateInstancePayload struct {
 	BackupSchedule CreateInstancePayloadGetBackupScheduleAttributeType `json:"backupSchedule,omitempty"`
 	// Id of the selected flavor
 	// REQUIRED
-	FlavorId CreateInstancePayloadGetFlavorIdAttributeType `json:"flavorId"`
+	FlavorId CreateInstancePayloadGetFlavorIdAttributeType `json:"flavorId" required:"true"`
 	Labels   CreateInstancePayloadGetLabelsAttributeType   `json:"labels,omitempty"`
 	// Name of the instance
 	// REQUIRED
-	Name    CreateInstancePayloadGetNameAttributeType    `json:"name"`
+	Name    CreateInstancePayloadGetNameAttributeType    `json:"name" required:"true"`
 	Options CreateInstancePayloadGetOptionsAttributeType `json:"options,omitempty"`
 	Storage CreateInstancePayloadGetStorageAttributeType `json:"storage,omitempty"`
 	// Version of the MSSQL Server
diff --git a/services/sqlserverflex/model_create_user_payload.go b/services/sqlserverflex/model_create_user_payload.go
index 4afd52706..04d3fb3f5 100644
--- a/services/sqlserverflex/model_create_user_payload.go
+++ b/services/sqlserverflex/model_create_user_payload.go
@@ -83,9 +83,9 @@ type CreateUserPayloadGetUsernameRetType = string
 type CreateUserPayload struct {
 	DefaultDatabase CreateUserPayloadGetDefaultDatabaseAttributeType `json:"default_database,omitempty"`
 	// REQUIRED
-	Roles CreateUserPayloadGetRolesAttributeType `json:"roles"`
+	Roles CreateUserPayloadGetRolesAttributeType `json:"roles" required:"true"`
 	// REQUIRED
-	Username CreateUserPayloadGetUsernameAttributeType `json:"username"`
+	Username CreateUserPayloadGetUsernameAttributeType `json:"username" required:"true"`
 }
 
 type _CreateUserPayload CreateUserPayload
diff --git a/services/sqlserverflex/model_database_documentation_create_database_request_options.go b/services/sqlserverflex/model_database_documentation_create_database_request_options.go
index c08670449..b46729cb8 100644
--- a/services/sqlserverflex/model_database_documentation_create_database_request_options.go
+++ b/services/sqlserverflex/model_database_documentation_create_database_request_options.go
@@ -88,7 +88,7 @@ type DatabaseDocumentationCreateDatabaseRequestOptions struct {
 	CompatibilityLevel DatabaseDocumentationCreateDatabaseRequestOptionsGetCompatibilityLevelAttributeType `json:"compatibilityLevel,omitempty"`
 	// Name of the owner of the database.
 	// REQUIRED
-	Owner DatabaseDocumentationCreateDatabaseRequestOptionsGetOwnerAttributeType `json:"owner"`
+	Owner DatabaseDocumentationCreateDatabaseRequestOptionsGetOwnerAttributeType `json:"owner" required:"true"`
 }
 
 type _DatabaseDocumentationCreateDatabaseRequestOptions DatabaseDocumentationCreateDatabaseRequestOptions
diff --git a/services/sqlserverflex/model_trigger_database_restore_payload.go b/services/sqlserverflex/model_trigger_database_restore_payload.go
index 4cd535f00..b6a6bdbe2 100644
--- a/services/sqlserverflex/model_trigger_database_restore_payload.go
+++ b/services/sqlserverflex/model_trigger_database_restore_payload.go
@@ -63,10 +63,10 @@ type TriggerDatabaseRestorePayloadGetRestoreDateTimeRetType = string
 type TriggerDatabaseRestorePayload struct {
 	// Name for the restored database no overwrite allowed at the moment
 	// REQUIRED
-	Name TriggerDatabaseRestorePayloadGetNameAttributeType `json:"name"`
+	Name TriggerDatabaseRestorePayloadGetNameAttributeType `json:"name" required:"true"`
 	// Time of the restore point formate RFC3339
 	// REQUIRED
-	RestoreDateTime TriggerDatabaseRestorePayloadGetRestoreDateTimeAttributeType `json:"restoreDateTime"`
+	RestoreDateTime TriggerDatabaseRestorePayloadGetRestoreDateTimeAttributeType `json:"restoreDateTime" required:"true"`
 }
 
 type _TriggerDatabaseRestorePayload TriggerDatabaseRestorePayload
diff --git a/services/sqlserverflex/model_update_instance_payload.go b/services/sqlserverflex/model_update_instance_payload.go
index 395c60e44..6c1e664e5 100644
--- a/services/sqlserverflex/model_update_instance_payload.go
+++ b/services/sqlserverflex/model_update_instance_payload.go
@@ -144,21 +144,21 @@ type UpdateInstancePayloadGetVersionRetType = string
 // UpdateInstancePayload struct for UpdateInstancePayload
 type UpdateInstancePayload struct {
 	// REQUIRED
-	Acl UpdateInstancePayloadGetAclAttributeType `json:"acl"`
+	Acl UpdateInstancePayloadGetAclAttributeType `json:"acl" required:"true"`
 	// Cronjob for the daily full backup if not provided a job will generated between 00:00 and 04:59
 	// REQUIRED
-	BackupSchedule UpdateInstancePayloadGetBackupScheduleAttributeType `json:"backupSchedule"`
+	BackupSchedule UpdateInstancePayloadGetBackupScheduleAttributeType `json:"backupSchedule" required:"true"`
 	// Id of the selected flavor
 	// REQUIRED
-	FlavorId UpdateInstancePayloadGetFlavorIdAttributeType `json:"flavorId"`
+	FlavorId UpdateInstancePayloadGetFlavorIdAttributeType `json:"flavorId" required:"true"`
 	// REQUIRED
-	Labels UpdateInstancePayloadGetLabelsAttributeType `json:"labels"`
+	Labels UpdateInstancePayloadGetLabelsAttributeType `json:"labels" required:"true"`
 	// Name of the instance
 	// REQUIRED
-	Name UpdateInstancePayloadGetNameAttributeType `json:"name"`
+	Name UpdateInstancePayloadGetNameAttributeType `json:"name" required:"true"`
 	// Version of the MSSQL Server
 	// REQUIRED
-	Version UpdateInstancePayloadGetVersionAttributeType `json:"version"`
+	Version UpdateInstancePayloadGetVersionAttributeType `json:"version" required:"true"`
 }
 
 type _UpdateInstancePayload UpdateInstancePayload