diff --git a/core/java/com/android/internal/app/AssistUtils.java b/core/java/com/android/internal/app/AssistUtils.java
index 57cc38cc6dfd5..0ea80144a798c 100644
--- a/core/java/com/android/internal/app/AssistUtils.java
+++ b/core/java/com/android/internal/app/AssistUtils.java
@@ -59,6 +59,8 @@ public class AssistUtils {
     public static final int INVOCATION_TYPE_POWER_BUTTON_LONG_PRESS = 6;
     /** value for INVOCATION_TYPE_KEY: press on physcial assistant button */
     public static final int INVOCATION_TYPE_ASSIST_BUTTON = 7;
+    /** value for INVOCATION_TYPE_KEY: long press on nav handle */
+    public static final int INVOCATION_TYPE_NAV_HANDLE_LONG_PRESS = 8;
 
     private final Context mContext;
     private final IVoiceInteractionManagerService mVoiceInteractionManagerService;
diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
index 665a398a3c155..2b83e6b05bbc9 100644
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
+++ b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
@@ -105,6 +105,8 @@ public class AssistManager {
             AssistUtils.INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS;
     public static final int INVOCATION_TYPE_POWER_BUTTON_LONG_PRESS =
             AssistUtils.INVOCATION_TYPE_POWER_BUTTON_LONG_PRESS;
+    public static final int INVOCATION_TYPE_NAV_HANDLE_LONG_PRESS =
+            AssistUtils.INVOCATION_TYPE_NAV_HANDLE_LONG_PRESS;
 
     public static final int DISMISS_REASON_INVOCATION_CANCELLED = 1;
     public static final int DISMISS_REASON_TAP = 2;