diff --git a/soundtrigger/2.3/default/SoundTriggerHw.cpp b/soundtrigger/2.3/default/SoundTriggerHw.cpp
index 4a39ab5..9fd8fe0 100644
--- a/soundtrigger/2.3/default/SoundTriggerHw.cpp
+++ b/soundtrigger/2.3/default/SoundTriggerHw.cpp
@@ -89,7 +89,7 @@
     ALOGV("getProperties() mHwDevice %p", mHwDevice);
     int ret;
     struct sound_trigger_properties halProperties;
-    ISoundTriggerHw::Properties properties;
+    V2_0::ISoundTriggerHw::Properties properties;
 
     if (mHwDevice == NULL) {
         ret = -ENODEV;
@@ -333,7 +333,7 @@
 }
 
 void SoundTriggerHw::convertPropertiesFromHal(
-        ISoundTriggerHw::Properties* properties,
+        V2_0::ISoundTriggerHw::Properties* properties,
         const struct sound_trigger_properties* halProperties) {
     properties->implementor = halProperties->implementor;
     properties->description = halProperties->description;
@@ -350,6 +350,16 @@
     properties->powerConsumptionMw = halProperties->power_consumption_mw;
 }
 
+void SoundTriggerHw::convertPropertiesFromHal(
+        V2_3::Properties* properties, const struct sound_trigger_properties_header* header) {
+    if (header->version >= SOUND_TRIGGER_DEVICE_API_VERSION_1_3) {
+        const struct sound_trigger_properties_extended_1_3* halProperties =
+                (const struct sound_trigger_properties_extended_1_3*)header;
+        convertPropertiesFromHal(&properties->base, &halProperties->base);
+        properties->supportedModelArch = halProperties->supported_model_arch;
+    }
+}
+
 void SoundTriggerHw::convertTriggerPhraseToHal(struct sound_trigger_phrase* halTriggerPhrase,
                                                const ISoundTriggerHw::Phrase* triggerPhrase) {
     halTriggerPhrase->id = triggerPhrase->id;
@@ -708,6 +718,29 @@
 
 // Begin V2_3 implementation
 
+Return<void> SoundTriggerHw::getProperties_2_3(ISoundTriggerHw::getProperties_2_3_cb _hidl_cb) {
+    ALOGV("getProperties_2_3() mHwDevice %p", mHwDevice);
+    int ret = 0;
+    V2_3::Properties properties;
+    const struct sound_trigger_properties_header* header;
+
+    if (mHwDevice == NULL) {
+        ret = -ENODEV;
+        goto exit;
+    }
+
+    header = mHwDevice->get_properties_extended(mHwDevice);
+
+    convertPropertiesFromHal(&properties, header);
+
+    ALOGV("getProperties_2_3 implementor %s supportedModelArch %s",
+          properties.base.implementor.c_str(), properties.supportedModelArch.c_str());
+
+exit:
+    _hidl_cb(ret, properties);
+    return Void();
+}
+
 Return<int32_t> SoundTriggerHw::setParameter(V2_0::SoundModelHandle modelHandle,
                                              ModelParameter modelParam, int32_t value) {
     sp<SoundModelClient> client;
diff --git a/soundtrigger/2.3/default/SoundTriggerHw.h b/soundtrigger/2.3/default/SoundTriggerHw.h
index c82c9ea..078debb 100644
--- a/soundtrigger/2.3/default/SoundTriggerHw.h
+++ b/soundtrigger/2.3/default/SoundTriggerHw.h
@@ -85,6 +85,7 @@
     Return<int32_t> getModelState(int32_t modelHandle) override;
 
     // Methods from V2_3::ISoundTriggerHw follow.
+    Return<void> getProperties_2_3(getProperties_2_3_cb _hidl_cb) override;
     Return<int32_t> setParameter(V2_0::SoundModelHandle modelHandle, ModelParameter modelParam,
                                  int32_t value) override;
     Return<void> getParameter(V2_0::SoundModelHandle modelHandle, ModelParameter modelParam,
@@ -156,6 +157,8 @@
     void convertUuidToHal(sound_trigger_uuid_t* halUuid, const Uuid* uuid);
     void convertPropertiesFromHal(V2_0::ISoundTriggerHw::Properties* properties,
                                   const struct sound_trigger_properties* halProperties);
+    void convertPropertiesFromHal(V2_3::Properties* properties,
+                                  const struct sound_trigger_properties_header* header);
     static sound_trigger_model_parameter_t convertModelParameterToHal(ModelParameter param);
     void convertTriggerPhraseToHal(struct sound_trigger_phrase* halTriggerPhrase,
                                    const V2_0::ISoundTriggerHw::Phrase* triggerPhrase);