diff --git a/src/data_provider/data_layout/aria/GpsMetadata.h b/src/data_provider/data_layout/aria/GpsMetadata.h
index a3ac813..c09f346 100644
--- a/src/data_provider/data_layout/aria/GpsMetadata.h
+++ b/src/data_provider/data_layout/aria/GpsMetadata.h
@@ -58,6 +58,9 @@ struct GpsDataRecordMetadata : public vrs::AutoDataLayout {
   // Horizontal accuracy in meters
   vrs::DataPieceValue<float> accuracy{"accuracy"};
 
+  // Vertical accuracy in meters
+  vrs::DataPieceValue<float> verticalAccuracy{"vertical_accuracy"};
+
   // Speed over ground [m/s]
   vrs::DataPieceValue<float> speed{"speed"};
 
diff --git a/src/data_provider/players/AriaGpsPlayer.cpp b/src/data_provider/players/AriaGpsPlayer.cpp
index d06b489..7f0a86b 100644
--- a/src/data_provider/players/AriaGpsPlayer.cpp
+++ b/src/data_provider/players/AriaGpsPlayer.cpp
@@ -39,6 +39,7 @@ bool AriaGpsPlayer::onDataLayoutRead(
     dataRecord_.longitude = data.longitude.get();
     dataRecord_.altitude = data.altitude.get();
     dataRecord_.accuracy = data.accuracy.get();
+    dataRecord_.verticalAccuracy = data.verticalAccuracy.get();
     dataRecord_.speed = data.speed.get();
     data.rawData.get(dataRecord_.rawData);
     nextTimestampSec_ = std::nextafter(r.timestamp, std::numeric_limits<double>::max());
diff --git a/src/data_provider/players/AriaGpsPlayer.h b/src/data_provider/players/AriaGpsPlayer.h
index 4150b54..787f2ec 100644
--- a/src/data_provider/players/AriaGpsPlayer.h
+++ b/src/data_provider/players/AriaGpsPlayer.h
@@ -32,13 +32,14 @@ struct AriaGpsConfigRecord {
 };
 
 struct AriaGpsDataRecord {
-  int64_t captureTimestampNs;
-  int64_t utcTimeMs;
-  std::string provider;
-  float latitude;
-  float longitude;
-  float altitude;
-  float accuracy;
+  int64_t captureTimestampNs; ///< @brief capture time in device domain
+  int64_t utcTimeMs; ///< @brief capture time in UTC domain
+  std::string provider; ///< @brief GPS provider
+  float latitude; ///< @brief latitude of the position in Degrees Minutes Seconds (DMS)
+  float longitude; ///< @brief longitude of the position in Degrees Minutes Seconds (DMS)
+  float altitude; ///< @brief altitude of the position
+  float accuracy; ///< @brief horizontal accuracy of the position in meters
+  float verticalAccuracy; ///< @brief vertical accuracy of the position in meters
   float speed;
   std::vector<std::string> rawData;
 };