diff --git a/automotive/vehicle/2.1/Android.mk b/automotive/vehicle/2.1/Android.mk
index 8e1c0dd321..095a1c7e44 100644
--- a/automotive/vehicle/2.1/Android.mk
+++ b/automotive/vehicle/2.1/Android.mk
@@ -226,6 +226,25 @@ $(GEN): $(LOCAL_PATH)/types.hal
 	$(transform-generated-source)
 LOCAL_GENERATED_SOURCES += $(GEN)
 
+#
+# Build types.hal (VmsDataMessageIntegerValuesIndex)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/VmsDataMessageIntegerValuesIndex.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.VmsDataMessageIntegerValuesIndex
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
 #
 # Build types.hal (VmsMessageType)
 #
@@ -547,6 +566,25 @@ $(GEN): $(LOCAL_PATH)/types.hal
 	$(transform-generated-source)
 LOCAL_GENERATED_SOURCES += $(GEN)
 
+#
+# Build types.hal (VmsDataMessageIntegerValuesIndex)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/VmsDataMessageIntegerValuesIndex.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.VmsDataMessageIntegerValuesIndex
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
 #
 # Build types.hal (VmsMessageType)
 #
diff --git a/automotive/vehicle/2.1/types.hal b/automotive/vehicle/2.1/types.hal
index 75026b72c6..d85ef433c2 100644
--- a/automotive/vehicle/2.1/types.hal
+++ b/automotive/vehicle/2.1/types.hal
@@ -681,7 +681,7 @@ enum VmsBaseMessageIntegerValuesIndex : int32_t {
 };
 
 /*
- * This enum provides the canonical mapping for VMS SUBMIT, UNSUBMIT and DATA
+ * This enum provides the canonical mapping for VMS SUBMIT and UNSUBMIT
  * messages integer value properties.
  */
 enum VmsSimpleMessageIntegerValuesIndex : VmsBaseMessageIntegerValuesIndex {
@@ -695,6 +695,15 @@ enum VmsSimpleMessageIntegerValuesIndex : VmsBaseMessageIntegerValuesIndex {
   VMS_LAYER_SUB_TYPE = 3,
 };
 
+/*
+ * This enum provides the canonical mapping for VMS DATA
+ * message integer value properties.
+ */
+enum VmsDataMessageIntegerValuesIndex : VmsSimpleMessageIntegerValuesIndex {
+  /* A publisher ID of the client that published this message. */
+  VMS_PUBLISHER_ID = 4,
+};
+
 /*
  * This enum provides the canonical mapping for VMS offering messages integer
  * value properties