diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 572101c..ef68d97 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -11479,6 +11479,7 @@
     method public void onPanelRevealed(int);
     method public void onSuggestedReplySent(@NonNull String, @NonNull CharSequence, int);
     method public final void unsnoozeNotification(@NonNull String);
+    field public static final String ACTION_NOTIFICATION_ASSISTANT_DETAIL_SETTINGS = "android.service.notification.action.NOTIFICATION_ASSISTANT_DETAIL_SETTINGS";
     field public static final String FEEDBACK_RATING = "feedback.rating";
     field public static final String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
     field public static final int SOURCE_FROM_APP = 0; // 0x0
diff --git a/core/java/android/service/notification/NotificationAssistantService.java b/core/java/android/service/notification/NotificationAssistantService.java
index 91042bfa..a38ef96 100644
--- a/core/java/android/service/notification/NotificationAssistantService.java
+++ b/core/java/android/service/notification/NotificationAssistantService.java
@@ -91,6 +91,21 @@
             = "android.service.notification.NotificationAssistantService";
 
     /**
+     * Activity Action: Show notification assistant detail setting page in NAS app.
+     * <p>
+     * In some cases, a matching Activity may not exist, so ensure you
+     * safeguard against this.
+     * <p>
+     * Input: Nothing.
+     * <p>
+     * Output: Nothing.
+     */
+    @SdkConstant(SdkConstant.SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_NOTIFICATION_ASSISTANT_DETAIL_SETTINGS =
+            "android.service.notification.action.NOTIFICATION_ASSISTANT_DETAIL_SETTINGS";
+
+
+    /**
      * Data type: int, the feedback rating score provided by user. The score can be any integer
      *            value depends on the experimental and feedback UX design.
      */