diff --git a/v2/dtos/autoevent.go b/v2/dtos/autoevent.go
index 3306553d..16022836 100644
--- a/v2/dtos/autoevent.go
+++ b/v2/dtos/autoevent.go
@@ -1,5 +1,5 @@
 //
-// Copyright (C) 2020 IOTech Ltd
+// Copyright (C) 2020-2021 IOTech Ltd
 //
 // SPDX-License-Identifier: Apache-2.0
 
@@ -12,17 +12,17 @@ import (
 // AutoEvent and its properties are defined in the APIv2 specification:
 // https://app.swaggerhub.com/apis-docs/EdgeXFoundry1/core-metadata/2.x#/AutoEvent
 type AutoEvent struct {
-	Frequency string `json:"frequency" validate:"required,edgex-dto-frequency"`
-	OnChange  bool   `json:"onChange,omitempty"`
-	Resource  string `json:"resource" validate:"required"`
+	Frequency  string `json:"frequency" validate:"required,edgex-dto-frequency"`
+	OnChange   bool   `json:"onChange,omitempty"`
+	SourceName string `json:"sourceName" validate:"required"`
 }
 
 // ToAutoEventModel transforms the AutoEvent DTO to the AutoEvent model
 func ToAutoEventModel(a AutoEvent) models.AutoEvent {
 	return models.AutoEvent{
-		Frequency: a.Frequency,
-		OnChange:  a.OnChange,
-		Resource:  a.Resource,
+		Frequency:  a.Frequency,
+		OnChange:   a.OnChange,
+		SourceName: a.SourceName,
 	}
 }
 
@@ -38,9 +38,9 @@ func ToAutoEventModels(autoEventDTOs []AutoEvent) []models.AutoEvent {
 // FromAutoEventModelToDTO transforms the AutoEvent model to the AutoEvent DTO
 func FromAutoEventModelToDTO(a models.AutoEvent) AutoEvent {
 	return AutoEvent{
-		Frequency: a.Frequency,
-		OnChange:  a.OnChange,
-		Resource:  a.Resource,
+		Frequency:  a.Frequency,
+		OnChange:   a.OnChange,
+		SourceName: a.SourceName,
 	}
 }
 
diff --git a/v2/dtos/requests/device_test.go b/v2/dtos/requests/device_test.go
index 6ea0c47d..d1c49b5a 100644
--- a/v2/dtos/requests/device_test.go
+++ b/v2/dtos/requests/device_test.go
@@ -23,10 +23,10 @@ import (
 var testDeviceLabels = []string{"MODBUS", "TEMP"}
 var testDeviceLocation = "{40lat;45long}"
 var testAutoEvents = []dtos.AutoEvent{
-	{Resource: "TestDevice", Frequency: "300ms", OnChange: true},
+	{SourceName: "TestDevice", Frequency: "300ms", OnChange: true},
 }
 var testAutoEventsWithInvalidFrequency = []dtos.AutoEvent{
-	{Resource: "TestDevice", Frequency: "300", OnChange: true},
+	{SourceName: "TestDevice", Frequency: "300", OnChange: true},
 }
 var testProtocols = map[string]dtos.ProtocolProperties{
 	"modbus-ip": {
@@ -108,7 +108,7 @@ func TestAddDeviceRequest_Validate(t *testing.T) {
 	noProtocols.Device.Protocols = map[string]dtos.ProtocolProperties{}
 	noAutoEventFrequency := testAddDevice
 	noAutoEventFrequency.Device.AutoEvents = []dtos.AutoEvent{
-		{Resource: "TestDevice", OnChange: true},
+		{SourceName: "TestDevice", OnChange: true},
 	}
 	noAutoEventResource := testAddDevice
 	noAutoEventResource.Device.AutoEvents = []dtos.AutoEvent{
@@ -228,7 +228,7 @@ func Test_AddDeviceReqToDeviceModels(t *testing.T) {
 			Labels:         testDeviceLabels,
 			Location:       testDeviceLocation,
 			AutoEvents: []models.AutoEvent{
-				{Resource: "TestDevice", Frequency: "300ms", OnChange: true},
+				{SourceName: "TestDevice", Frequency: "300ms", OnChange: true},
 			},
 			Protocols: map[string]models.ProtocolProperties{
 				"modbus-ip": {
diff --git a/v2/dtos/requests/provisionwatcher_test.go b/v2/dtos/requests/provisionwatcher_test.go
index ce2bf5be..4b7d6211 100644
--- a/v2/dtos/requests/provisionwatcher_test.go
+++ b/v2/dtos/requests/provisionwatcher_test.go
@@ -100,11 +100,11 @@ func TestAddProvisionWatcherRequest_Validate(t *testing.T) {
 	noProfileName.ProvisionWatcher.ProfileName = emptyString
 	invalidFrequency := testAddProvisionWatcher
 	invalidFrequency.ProvisionWatcher.AutoEvents = []dtos.AutoEvent{
-		{Resource: "TestDevice", Frequency: "-1", OnChange: true},
+		{SourceName: "TestDevice", Frequency: "-1", OnChange: true},
 	}
 	noAutoEventFrequency := testAddProvisionWatcher
 	noAutoEventFrequency.ProvisionWatcher.AutoEvents = []dtos.AutoEvent{
-		{Resource: "TestDevice", OnChange: true},
+		{SourceName: "TestDevice", OnChange: true},
 	}
 	noAutoEventResource := testAddProvisionWatcher
 	noAutoEventResource.ProvisionWatcher.AutoEvents = []dtos.AutoEvent{
@@ -186,7 +186,7 @@ func TestAddProvisionWatcherReqToProvisionWatcherModels(t *testing.T) {
 			ProfileName: TestDeviceProfileName,
 			AdminState:  models.Locked,
 			AutoEvents: []models.AutoEvent{
-				{Resource: "TestDevice", Frequency: "300ms", OnChange: true},
+				{SourceName: "TestDevice", Frequency: "300ms", OnChange: true},
 			},
 		},
 	}
diff --git a/v2/models/autoevent.go b/v2/models/autoevent.go
index e3c60270..94e757c1 100644
--- a/v2/models/autoevent.go
+++ b/v2/models/autoevent.go
@@ -1,5 +1,5 @@
 //
-// Copyright (C) 2020 IOTech Ltd
+// Copyright (C) 2020-2021 IOTech Ltd
 //
 // SPDX-License-Identifier: Apache-2.0
 
@@ -9,7 +9,7 @@ package models
 // https://app.swaggerhub.com/apis-docs/EdgeXFoundry1/core-metadata/2.x#/AutoEvent
 // Model fields are same as the DTOs documented by this swagger. Exceptions, if any, are noted below.
 type AutoEvent struct {
-	Frequency string
-	OnChange  bool
-	Resource  string
+	Frequency  string
+	OnChange   bool
+	SourceName string
 }