diff --git a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
index 24973cd..fbd1a33 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
@@ -267,6 +267,7 @@
         {VehicleProperty::HANDS_ON_DETECTION_DRIVER_STATE, VehiclePropertyAccess::READ},
         {VehicleProperty::HANDS_ON_DETECTION_WARNING, VehiclePropertyAccess::READ},
         {VehicleProperty::DRIVER_ATTENTION_MONITORING_ENABLED, VehiclePropertyAccess::READ_WRITE},
+        {VehicleProperty::DRIVER_ATTENTION_MONITORING_STATE, VehiclePropertyAccess::READ},
         {VehicleProperty::DRIVER_ATTENTION_MONITORING_WARNING, VehiclePropertyAccess::READ},
 };
 
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
index 660de3c..291fa20 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
@@ -267,6 +267,7 @@
         {VehicleProperty::HANDS_ON_DETECTION_DRIVER_STATE, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::HANDS_ON_DETECTION_WARNING, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::DRIVER_ATTENTION_MONITORING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::DRIVER_ATTENTION_MONITORING_STATE, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::DRIVER_ATTENTION_MONITORING_WARNING, VehiclePropertyChangeMode::ON_CHANGE},
 };
 
diff --git a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
index 49fde88..3395458 100644
--- a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
@@ -259,6 +259,7 @@
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_DRIVER_STATE, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_WARNING, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.DRIVER_ATTENTION_MONITORING_ENABLED, VehiclePropertyAccess.READ_WRITE),
+        Map.entry(VehicleProperty.DRIVER_ATTENTION_MONITORING_STATE, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.DRIVER_ATTENTION_MONITORING_WARNING, VehiclePropertyAccess.READ)
     );
 
diff --git a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
index 2756307..e74942f 100644
--- a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
@@ -259,6 +259,7 @@
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_DRIVER_STATE, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_WARNING, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.DRIVER_ATTENTION_MONITORING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.DRIVER_ATTENTION_MONITORING_STATE, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.DRIVER_ATTENTION_MONITORING_WARNING, VehiclePropertyChangeMode.ON_CHANGE)
     );
 
diff --git a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
index 22ad2d4..51e5f2a 100644
--- a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
+++ b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
@@ -41,6 +41,7 @@
 using ::aidl::android::hardware::automotive::vehicle::CruiseControlCommand;
 using ::aidl::android::hardware::automotive::vehicle::CruiseControlState;
 using ::aidl::android::hardware::automotive::vehicle::CruiseControlType;
+using ::aidl::android::hardware::automotive::vehicle::DriverAttentionMonitoringState;
 using ::aidl::android::hardware::automotive::vehicle::DriverAttentionMonitoringWarning;
 using ::aidl::android::hardware::automotive::vehicle::EmergencyLaneKeepAssistState;
 using ::aidl::android::hardware::automotive::vehicle::ErrorState;
@@ -237,6 +238,8 @@
             std::make_unique<ConstantParser<HandsOnDetectionDriverState>>();
     mConstantParsersByType["HandsOnDetectionWarning"] =
             std::make_unique<ConstantParser<HandsOnDetectionWarning>>();
+    mConstantParsersByType["DriverAttentionMonitoringState"] =
+            std::make_unique<ConstantParser<DriverAttentionMonitoringState>>();
     mConstantParsersByType["DriverAttentionMonitoringWarning"] =
             std::make_unique<ConstantParser<DriverAttentionMonitoringWarning>>();
     mConstantParsersByType["ErrorState"] = std::make_unique<ConstantParser<ErrorState>>();
diff --git a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
index b003b91..5d7c67a 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
+++ b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
@@ -3260,6 +3260,24 @@
             }
         },
         {
+            "property": "VehicleProperty::DRIVER_ATTENTION_MONITORING_STATE",
+            "defaultValue": {
+                "int32Values": [
+                    "DriverAttentionMonitoringState::NOT_DISTRACTED"
+                ]
+            },
+            "areas": [
+                {
+                    "areaId": 0,
+                    "supportedEnumValues": [
+                        "ErrorState::NOT_AVAILABLE_DISABLED",
+                        "DriverAttentionMonitoringState::DISTRACTED",
+                        "DriverAttentionMonitoringState::NOT_DISTRACTED"
+                    ]
+                }
+            ]
+        },
+        {
             "property": "VehicleProperty::DRIVER_ATTENTION_MONITORING_WARNING",
             "defaultValue": {
                 "int32Values": [
diff --git a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
index 7b505ab..7b567ab 100644
--- a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
+++ b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
@@ -24,6 +24,7 @@
 #include <aidl/android/hardware/automotive/vehicle/CruiseControlType.h>
 #include <aidl/android/hardware/automotive/vehicle/DiagnosticFloatSensorIndex.h>
 #include <aidl/android/hardware/automotive/vehicle/DiagnosticIntegerSensorIndex.h>
+#include <aidl/android/hardware/automotive/vehicle/DriverAttentionMonitoringState.h>
 #include <aidl/android/hardware/automotive/vehicle/DriverAttentionMonitoringWarning.h>
 #include <aidl/android/hardware/automotive/vehicle/EmergencyLaneKeepAssistState.h>
 #include <aidl/android/hardware/automotive/vehicle/ErrorState.h>
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/DriverAttentionMonitoringState.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/DriverAttentionMonitoringState.aidl
new file mode 100644
index 0000000..925f447
--- /dev/null
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/DriverAttentionMonitoringState.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@Backing(type="int") @VintfStability
+enum DriverAttentionMonitoringState {
+  OTHER = 0,
+  DISTRACTED = 1,
+  NOT_DISTRACTED = 2,
+}
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
index e640955..b075993 100644
--- a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -265,5 +265,6 @@
   HANDS_ON_DETECTION_DRIVER_STATE = (((0x1017 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411095 */,
   HANDS_ON_DETECTION_WARNING = (((0x1018 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411096 */,
   DRIVER_ATTENTION_MONITORING_ENABLED = (((0x1019 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 287313945 */,
+  DRIVER_ATTENTION_MONITORING_STATE = (((0x101A + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411098 */,
   DRIVER_ATTENTION_MONITORING_WARNING = (((0x101B + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411099 */,
 }
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverAttentionMonitoringState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverAttentionMonitoringState.aidl
new file mode 100644
index 0000000..7ebf844
--- /dev/null
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverAttentionMonitoringState.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+/**
+ * Used to enumerate the current driver state of Driver Attention Monitoring.
+ *
+ * This enum could be extended in future releases to include additional feature states.
+ */
+@VintfStability
+@Backing(type="int")
+enum DriverAttentionMonitoringState {
+    /**
+     * This state is used as an alternative for any DriverAttentionMonitoringState value that is
+     * not defined in the platform. Ideally, implementations of
+     * VehicleProperty#DRIVER_ATTENTION_MONITORING_STATE should not use this state. The
+     * framework can use this field to remain backwards compatible if DriverAttentionMonitoringState
+     * is extended to include additional states.
+     */
+    OTHER = 0,
+    /**
+     * The system detects that the driver is distracted.
+     */
+    DISTRACTED = 1,
+    /**
+     * The system detects that the driver is attentive / not distracted.
+     */
+    NOT_DISTRACTED = 2,
+}
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
index 189d040..267b3dc 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -4010,6 +4010,29 @@
             0x1019 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
 
     /**
+     * Driver attention monitoring state.
+     *
+     * Returns whether the driver is currently attentive or distracted. Generally, this property
+     * should return a valid state defined in the DriverAttentionMonitoringState or ErrorState. For
+     * example, if the feature is not available due to some temporary state, that information should
+     * be conveyed through an ErrorState.
+     *
+     * If the vehicle wants to send a warning to the user because the driver has been distracted for
+     * too long, the warning should be surfaced through DRIVER_ATTENTION_MONITORING_WARNING.
+     *
+     * The VehicleAreaConfig#configArray array must define all states from
+     * DriverAttentionMonitoringState (including OTHER, which is not recommended) and ErrorState
+     * that are supported.
+     *
+     * @change_mode VehiclePropertyChangeMode.ON_CHANGE
+     * @access VehiclePropertyAccess.READ
+     * @data_enum DriverAttentionMonitoringState
+     * @data_enum ErrorState
+     */
+    DRIVER_ATTENTION_MONITORING_STATE =
+            0x101A + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.INT32,
+
+    /**
      * Driver attention monitoring warning.
      *
      * Returns whether a warning is being sent to the driver for being distracted for too long a
diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index 180470e..cfed217 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -558,6 +558,12 @@
                    VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::BOOLEAN);
 }
 
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyDriverAttentionMonitoringStateConfig) {
+    verifyProperty(VehicleProperty::DRIVER_ATTENTION_MONITORING_STATE, VehiclePropertyAccess::READ,
+                   VehiclePropertyChangeMode::ON_CHANGE, VehiclePropertyGroup::SYSTEM,
+                   VehicleArea::GLOBAL, VehiclePropertyType::INT32);
+}
+
 TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyDriverAttentionMonitoringWarningConfig) {
     verifyProperty(VehicleProperty::DRIVER_ATTENTION_MONITORING_WARNING,
                    VehiclePropertyAccess::READ, VehiclePropertyChangeMode::ON_CHANGE,