diff --git a/src/v2i-hub/CARMAStreetsPlugin/manifest.json b/src/v2i-hub/CARMAStreetsPlugin/manifest.json
index 37e705a8d..8195c49fd 100644
--- a/src/v2i-hub/CARMAStreetsPlugin/manifest.json
+++ b/src/v2i-hub/CARMAStreetsPlugin/manifest.json
@@ -118,9 +118,9 @@
             "description": "Apache Kafka consumer group ID for spat consumer."
         },
         {
-            "key": "SimExternalObjTopic",
-            "default": "v2xhub_sim_external_object",
-            "description": "Apache Kafka topic plugin will transmit simulated external object to."               
+            "key": "SimSensorDetectedObjTopic",
+            "default": "v2xhub_sim_sensor_detected_object",
+            "description": "Apache Kafka topic plugin will transmit simulated sensor detected object to."               
         }
         
     ]
diff --git a/src/v2i-hub/CARMAStreetsPlugin/src/CARMAStreetsPlugin.cpp b/src/v2i-hub/CARMAStreetsPlugin/src/CARMAStreetsPlugin.cpp
index bd16592dc..7e685a530 100755
--- a/src/v2i-hub/CARMAStreetsPlugin/src/CARMAStreetsPlugin.cpp
+++ b/src/v2i-hub/CARMAStreetsPlugin/src/CARMAStreetsPlugin.cpp
@@ -25,7 +25,7 @@ CARMAStreetsPlugin::CARMAStreetsPlugin(string name) :
 	AddMessageFilter < tsm2Message > (this, &CARMAStreetsPlugin::HandleMobilityPathMessage);
 	AddMessageFilter < MapDataMessage > (this, &CARMAStreetsPlugin::HandleMapMessage);
 	AddMessageFilter < SrmMessage > (this, &CARMAStreetsPlugin::HandleSRMMessage);
-	AddMessageFilter < simulation::SensorDetectedObject > (this, &CARMAStreetsPlugin::HandleSimulatedExternalMessage );
+	AddMessageFilter < simulation::SensorDetectedObject > (this, &CARMAStreetsPlugin::HandleSimulatedSensorDetectedMessage );
 
 	SubscribeToMessages();
 }
@@ -51,7 +51,7 @@ void CARMAStreetsPlugin::UpdateConfigSettings() {
 	GetConfigValue<string>("MobilityPathTopic", _transmitMobilityPathTopic);
  	GetConfigValue<string>("MapTopic", _transmitMAPTopic);
 	GetConfigValue<string>("SRMTopic", _transmitSRMTopic); 
-	GetConfigValue<string>("SimExternalObjTopic", _transmitSimExternalObjTopic); 
+	GetConfigValue<string>("SimSensorDetectedObjTopic", _transmitSimSensorDetectedObjTopic); 
 	 // Populate strategies config
 	string config;
 	GetConfigValue<string>("MobilityOperationStrategies", config);
@@ -630,10 +630,10 @@ void CARMAStreetsPlugin::SubscribeSSMKafkaTopic(){
 
 }
 
-void CARMAStreetsPlugin::HandleSimulatedExternalMessage(simulation::SensorDetectedObject &msg, routeable_message &routeableMsg)
+void CARMAStreetsPlugin::HandleSimulatedSensorDetectedMessage(simulation::SensorDetectedObject &msg, routeable_message &routeableMsg)
 {
-	PLOG(logINFO) <<  "Produce External Object Message in JSON format:  " << msg.to_string() <<std::endl;
-	produce_kafka_msg( msg.to_string(), _transmitSimExternalObjTopic);
+	PLOG(logINFO) <<  "Produce sensor detected message in JSON format:  " << msg.to_string() <<std::endl;
+	produce_kafka_msg( msg.to_string(), _transmitSimSensorDetectedObjTopic);
 }
 
 bool CARMAStreetsPlugin::getEncodedtsm3( tsm3EncodedMessage *tsm3EncodedMsg,  Json::Value metadata, Json::Value payload_json )
diff --git a/src/v2i-hub/CARMAStreetsPlugin/src/CARMAStreetsPlugin.h b/src/v2i-hub/CARMAStreetsPlugin/src/CARMAStreetsPlugin.h
index cd944c333..7aff1631b 100755
--- a/src/v2i-hub/CARMAStreetsPlugin/src/CARMAStreetsPlugin.h
+++ b/src/v2i-hub/CARMAStreetsPlugin/src/CARMAStreetsPlugin.h
@@ -49,7 +49,7 @@ class CARMAStreetsPlugin: public PluginClientClockAware {
 	void HandleMobilityOperationMessage(tsm3Message &msg, routeable_message &routeableMsg);
 	void HandleMobilityPathMessage(tsm2Message &msg, routeable_message &routeableMsg);
 	void HandleBasicSafetyMessage(BsmMessage &msg, routeable_message &routeableMsg);
-	void HandleSimulatedExternalMessage(simulation::SensorDetectedObject &msg, routeable_message &routeableMsg);
+	void HandleSimulatedSensorDetectedMessage(simulation::SensorDetectedObject &msg, routeable_message &routeableMsg);
 	/**
 	 * @brief Overide PluginClientClockAware HandleTimeSyncMessage to producer TimeSyncMessage to kafka for CARMA Streets Time Synchronization.
 	 * @param msg TimeSyncMessage received by plugin when in simulation mode. Message provides current simulation time to all processes.
@@ -106,7 +106,7 @@ class CARMAStreetsPlugin: public PluginClientClockAware {
 	std::string _transmitBSMTopic;
 	std::string _transmitMAPTopic;
 	std::string _transmitSRMTopic;
-	std::string _transmitSimExternalObjTopic;
+	std::string _transmitSimSensorDetectedObjTopic;
 	std::string _kafkaBrokerIp;
 	std::string _kafkaBrokerPort;
 	std::shared_ptr<kafka_producer_worker> _kafka_producer_ptr;