diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultConfig.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultConfig.h
index 8a008d3..5452cfa 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultConfig.h
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultConfig.h
@@ -85,6 +85,12 @@
     0x0666 | VehiclePropertyGroup::VENDOR | VehicleArea::GLOBAL | VehiclePropertyType::MIXED;
 
 /**
+ * This property is used for test purpose. End to end tests use this property to test set and get
+ * method for MIXED type properties.
+ */
+const int32_t kMixedTypePropertyForTest =
+        0x1111 | VehiclePropertyGroup::VENDOR | VehicleArea::GLOBAL | VehiclePropertyType::MIXED;
+/**
  * FakeDataCommand enum defines the supported command type for kGenerateFakeDataControllingProperty.
  * All those commands can be send independently with each other. And each will override the one sent
  * previously.
@@ -625,6 +631,14 @@
                         },
         },
 
+        {.config = {.prop = kMixedTypePropertyForTest,
+                    .access = VehiclePropertyAccess::READ_WRITE,
+                    .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
+                    .configArray = {1, 1, 0, 2, 0, 0, 1, 0, 0}},
+         .initialValue = {.stringValue = "MIXED property",
+                          .int32Values = {1 /* indicate TRUE boolean value */, 2, 3},
+                          .floatValues = {4.5f}}},
+
         {.config = {.prop = toInt(VehicleProperty::DOOR_LOCK),
                     .access = VehiclePropertyAccess::READ_WRITE,
                     .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
diff --git a/automotive/vehicle/2.0/types.hal b/automotive/vehicle/2.0/types.hal
index 955283e..8c84c0a 100644
--- a/automotive/vehicle/2.0/types.hal
+++ b/automotive/vehicle/2.0/types.hal
@@ -35,6 +35,21 @@
     /**
      * Any combination of scalar or vector types. The exact format must be
      * provided in the description of the property.
+     *
+     * For vendor MIXED type properties, configArray needs to be formatted in this
+     * structure.
+     * configArray[0], 1 indicates the property has a String value
+     * configArray[1], 1 indicates the property has a Boolean value .
+     * configArray[2], 1 indicates the property has an Integer value.
+     * configArray[3], the number indicates the size of Integer[] in the property.
+     * configArray[4], 1 indicates the property has a Long value.
+     * configArray[5], the number indicates the size of Long[] in the property.
+     * configArray[6], 1 indicates the property has a Float value.
+     * configArray[7], the number indicates the size of Float[] in the property.
+     * configArray[8], the number indicates the size of byte[] in the property.
+     * For example:
+     * {@code configArray = {1, 1, 1, 3, 0, 0, 0, 0, 0}} indicates the property has
+     * a String value, a Boolean value, an Integer value and an array with 3 integers.
      */
     MIXED           = 0x00e00000,