diff --git a/client.go b/client.go
index 6580210..1be92b7 100644
--- a/client.go
+++ b/client.go
@@ -284,6 +284,7 @@ type Device struct {
 	ProjectID             *string
 	DiverseFromDeviceUUID *string
 	DiverseFromDeviceName *string
+	PrimaryDeviceUUID     *string
 }
 
 // DeviceInterface describes Network Edge device interface
diff --git a/internal/api/device.go b/internal/api/device.go
index 494d468..aff7f89 100644
--- a/internal/api/device.go
+++ b/internal/api/device.go
@@ -45,6 +45,7 @@ type Device struct {
 	ProjectID             *string                `json:"projectId,omitempty"`
 	DiverseFromDeviceUUID *string                `json:"diverseFromDeviceUuid,omitempty"`
 	DiverseFromDeviceName *string                `json:"diverseFromDeviceName,omitempty"`
+	PrimaryDeviceUUID     *string                `json:"primaryDeviceUuid,omitempty"`
 }
 
 // DeviceRequest describes network edge device creation request
@@ -80,6 +81,7 @@ type DeviceRequest struct {
 	Connectivity          *string                     `json:"connectivity,omitempty"`
 	ProjectID             *string                     `json:"projectId,omitempty"`
 	DiverseFromDeviceUUID *string                     `json:"diverseFromDeviceUuid,omitempty"`
+	PrimaryDeviceUUID     *string                     `json:"primaryDeviceUuid,omitempty"`
 }
 
 // SecondaryDeviceRequest describes secondary device part of device creation request
diff --git a/rest_device.go b/rest_device.go
index b18a653..c9a1add 100644
--- a/rest_device.go
+++ b/rest_device.go
@@ -266,6 +266,7 @@ func mapDeviceAPIToDomain(apiDevice api.Device) *Device {
 	device.ClusterDetails = mapDeviceClusterDetailsAPIToDomain(apiDevice.ClusterDetails)
 	device.DiverseFromDeviceUUID = apiDevice.DiverseFromDeviceUUID
 	device.DiverseFromDeviceName = apiDevice.DiverseFromDeviceName
+	device.PrimaryDeviceUUID = apiDevice.PrimaryDeviceUUID
 	return &device
 }
 
@@ -408,6 +409,7 @@ func createDeviceRequest(device Device) api.DeviceRequest {
 	req.UserPublicKey = mapDeviceUserPublicKeyDomainToAPI(device.UserPublicKey)
 	req.ClusterDetails = mapDeviceClusterDetailsDomainToAPI(device.ClusterDetails)
 	req.DiverseFromDeviceUUID = device.DiverseFromDeviceUUID
+	req.PrimaryDeviceUUID = device.PrimaryDeviceUUID
 	return req
 }
 
diff --git a/rest_device_test.go b/rest_device_test.go
index 32738fc..06324bc 100644
--- a/rest_device_test.go
+++ b/rest_device_test.go
@@ -28,6 +28,7 @@ var testDevice = Device{
 	TermLength:            Int(24),
 	ProjectID:             String("68ccfd49-39b1-478e-957a-67c72f719d7a"),
 	DiverseFromDeviceUUID: String("ed7891bd-15b4-4f72-ac56-d96cfdacddcc"),
+	PrimaryDeviceUUID:     String("8b028560-4a91-4b52-87ba-9fae0fcb538c"),
 	Throughput:            Int(1),
 	ThroughputUnit:        String("Gbps"),
 	Name:                  String("PaloAltoSRmy"),
@@ -505,6 +506,7 @@ func verifyDeviceRequest(t *testing.T, device Device, req api.DeviceRequest) {
 	assert.Equal(t, &termLengthStr, req.TermLength, "TermLength matches")
 	assert.Equal(t, device.ProjectID, req.ProjectID, "Project Id matches")
 	assert.Equal(t, device.DiverseFromDeviceUUID, req.DiverseFromDeviceUUID, "Diverse from Device UUID matches")
+	assert.Equal(t, device.PrimaryDeviceUUID, req.PrimaryDeviceUUID, "Primary Device UUID matches")
 	if *device.IsBYOL {
 		assert.Equal(t, DeviceLicenseModeBYOL, StringValue(req.LicenseMode), "LicenseMode matches")
 	} else {