diff --git a/sensor/v2_0/ISensorInterface.idl b/sensor/v2_0/ISensorInterface.idl
index c44c860a4b50ab95feed894ada948d5d7d41f652..f5f24eb1458aa8d52a8fd0d3ebac5ce72cf0e82c 100644
--- a/sensor/v2_0/ISensorInterface.idl
+++ b/sensor/v2_0/ISensorInterface.idl
@@ -75,7 +75,7 @@ interface ISensorInterface {
      * @since 2.2
      * @version 1.0
      */
-    Enable([in] int sensorId);
+    Enable([in] int sensorType, [in] int sensorId);
 
     /**
      * @brief Disables an enabled sensor.
@@ -86,7 +86,7 @@ interface ISensorInterface {
      * @since 2.2
      * @version 1.0
      */
-    Disable([in] int sensorId);
+    Disable([in] int sensorType, [in] int sensorId);
 
     /**
      * @brief Sets the data sampling interval and data reporting interval for the specified sensor.
@@ -99,7 +99,7 @@ interface ISensorInterface {
      * @since 2.2
      * @version 1.0
      */
-    SetBatch([in] int sensorId,[in] long samplingInterval, [in] long reportInterval);
+    SetBatch([in] int sensorType, [in] int sensorId,[in] long samplingInterval, [in] long reportInterval);
 
     /**
      * @brief Sets the data reporting mode for the specified sensor.
@@ -112,7 +112,7 @@ interface ISensorInterface {
      * @since 2.2
      * @version 1.0
      */
-    SetMode([in] int sensorId, [in] int mode);
+    SetMode([in] int sensorType, [in] int sensorId, [in] int mode);
 
     /**
      * @brief Sets options for the specified sensor, including its measurement range and accuracy.
@@ -124,7 +124,7 @@ interface ISensorInterface {
      * @since 2.2
      * @version 1.0
      */
-    SetOption([in] int sensorId, [in] unsigned int option);
+    SetOption([in] int sensorType, [in] int sensorId, [in] unsigned int option);
 
     /**
      * @brief Registers the callback for reporting sensor data to the subscriber.
@@ -171,7 +171,7 @@ interface ISensorInterface {
      * @since 4.0
      * @version 1.1
      */
-    ReadData([in] int sensorId, [out] struct HdfSensorEvents[] event);
+    ReadData([in] int sensorType, [in] int sensorId, [out] struct HdfSensorEvents[] event);
 
     /**
      * @brief Obtain the sensor event data in the small system.
@@ -184,7 +184,7 @@ interface ISensorInterface {
      * @since 4.1
      * @version 2.0
      */
-    SetSdcSensor([in] int sensorId, [in] boolean enabled, [in] int rateLevel);
+    SetSdcSensor([in] int sensorType, [in] int sensorId, [in] boolean enabled, [in] int rateLevel);
 
     /**
      * @brief Obtain sensor information for SDC
diff --git a/sensor/v2_0/SensorTypes.idl b/sensor/v2_0/SensorTypes.idl
index ad2cc56c450d9e154669ce456501f67eefd64c7d..0ac81697a2e19c58587a4d190f5d145e44d5f086 100644
--- a/sensor/v2_0/SensorTypes.idl
+++ b/sensor/v2_0/SensorTypes.idl
@@ -52,7 +52,7 @@ struct HdfSensorInformation {
     String vendorName; /**< Sensor vendor */
     String firmwareVersion; /**< Sensor firmware version */
     String hardwareVersion; /**< Sensor hardware version */
-    int sensorTypeId; /**< Sensor type ID (described in {@link SensorTypeTag}) */
+    int sensorType; /**< Sensor type ID (described in {@link SensorTypeTag}) */
     int sensorId;     /**< Sensor ID, defined by the sensor driver developer */
     float maxRange;   /**< Maximum measurement range of the sensor */
     float accuracy;   /**< Sensor accuracy */
@@ -72,6 +72,7 @@ struct HdfSensorInformation {
  * @since 2.2
  */
 struct HdfSensorEvents {
+    int SensorType;                 /**< Each sensor has a type which defines what this sensor measures */
     int sensorId;            /**< Sensor ID */
     int version;             /**< Sensor algorithm version */
     long timestamp;           /**< Time when sensor data was generated */
@@ -152,7 +153,8 @@ enum HdfSensorGroupType {
  */
 struct SdcSensorInfo {
     unsigned long offset;       /**< Used for mmap */
-    int sensorId;                   /**< Each sensor has a type which defines what this sensor measures */
+    int SensorType;                 /**< Each sensor has a type which defines what this sensor measures */
+    int sensorId;                   /**< Each sensor has a id which defines what this sensor measures */
     int ddrSize;                /**< Shared memory Size */
     int minRateLevel;           /**< Supported min rate level */
     int maxRateLevel;           /**< Supported max rate level */