diff --git a/profiles/preview/preview/healthcareapis/mgmt/healthcareapis/models.go b/profiles/preview/preview/healthcareapis/mgmt/healthcareapis/models.go
index 40e3bc255a2f..813c88d1695d 100644
--- a/profiles/preview/preview/healthcareapis/mgmt/healthcareapis/models.go
+++ b/profiles/preview/preview/healthcareapis/mgmt/healthcareapis/models.go
@@ -29,6 +29,14 @@ const (
 	DefaultBaseURI = original.DefaultBaseURI
 )
 
+type Kind = original.Kind
+
+const (
+	Fhir     Kind = original.Fhir
+	FhirR4   Kind = original.FhirR4
+	FhirStu3 Kind = original.FhirStu3
+)
+
 type OperationResultStatus = original.OperationResultStatus
 
 const (
@@ -126,6 +134,9 @@ func NewServicesDescriptionListResultPage(getNextPage func(context.Context, Serv
 func NewWithBaseURI(baseURI string, subscriptionID string) BaseClient {
 	return original.NewWithBaseURI(baseURI, subscriptionID)
 }
+func PossibleKindValues() []Kind {
+	return original.PossibleKindValues()
+}
 func PossibleOperationResultStatusValues() []OperationResultStatus {
 	return original.PossibleOperationResultStatusValues()
 }
diff --git a/services/preview/healthcareapis/mgmt/2018-08-20-preview/healthcareapis/models.go b/services/preview/healthcareapis/mgmt/2018-08-20-preview/healthcareapis/models.go
index e5eb52d1bcbf..26f188dba6f5 100644
--- a/services/preview/healthcareapis/mgmt/2018-08-20-preview/healthcareapis/models.go
+++ b/services/preview/healthcareapis/mgmt/2018-08-20-preview/healthcareapis/models.go
@@ -30,6 +30,23 @@ import (
 // The package's fully qualified name.
 const fqdn = "github.com/Azure/azure-sdk-for-go/services/preview/healthcareapis/mgmt/2018-08-20-preview/healthcareapis"
 
+// Kind enumerates the values for kind.
+type Kind string
+
+const (
+	// Fhir ...
+	Fhir Kind = "fhir"
+	// FhirR4 ...
+	FhirR4 Kind = "fhir-R4"
+	// FhirStu3 ...
+	FhirStu3 Kind = "fhir-Stu3"
+)
+
+// PossibleKindValues returns an array of possible values for the Kind const type.
+func PossibleKindValues() []Kind {
+	return []Kind{Fhir, FhirR4, FhirStu3}
+}
+
 // OperationResultStatus enumerates the values for operation result status.
 type OperationResultStatus string
 
@@ -310,8 +327,8 @@ type Resource struct {
 	Name *string `json:"name,omitempty"`
 	// Type - READ-ONLY; The resource type.
 	Type *string `json:"type,omitempty"`
-	// Kind - The kind of the service. Valid values are: fhir.
-	Kind *string `json:"kind,omitempty"`
+	// Kind - The kind of the service. Valid values are: fhir, fhir-Stu3 and fhir-R4. Possible values include: 'Fhir', 'FhirStu3', 'FhirR4'
+	Kind Kind `json:"kind,omitempty"`
 	// Location - The resource location.
 	Location *string `json:"location,omitempty"`
 	// Tags - The resource tags.
@@ -323,7 +340,7 @@ type Resource struct {
 // MarshalJSON is the custom marshaler for Resource.
 func (r Resource) MarshalJSON() ([]byte, error) {
 	objectMap := make(map[string]interface{})
-	if r.Kind != nil {
+	if r.Kind != "" {
 		objectMap["kind"] = r.Kind
 	}
 	if r.Location != nil {
@@ -437,8 +454,8 @@ type ServicesDescription struct {
 	Name *string `json:"name,omitempty"`
 	// Type - READ-ONLY; The resource type.
 	Type *string `json:"type,omitempty"`
-	// Kind - The kind of the service. Valid values are: fhir.
-	Kind *string `json:"kind,omitempty"`
+	// Kind - The kind of the service. Valid values are: fhir, fhir-Stu3 and fhir-R4. Possible values include: 'Fhir', 'FhirStu3', 'FhirR4'
+	Kind Kind `json:"kind,omitempty"`
 	// Location - The resource location.
 	Location *string `json:"location,omitempty"`
 	// Tags - The resource tags.
@@ -453,7 +470,7 @@ func (sd ServicesDescription) MarshalJSON() ([]byte, error) {
 	if sd.Properties != nil {
 		objectMap["properties"] = sd.Properties
 	}
-	if sd.Kind != nil {
+	if sd.Kind != "" {
 		objectMap["kind"] = sd.Kind
 	}
 	if sd.Location != nil {