diff --git a/core/java/android/service/notification/NotificationAssistantService.java b/core/java/android/service/notification/NotificationAssistantService.java
index 91042bfa3402a..a9c2ad1ce9156 100644
--- a/core/java/android/service/notification/NotificationAssistantService.java
+++ b/core/java/android/service/notification/NotificationAssistantService.java
@@ -90,6 +90,22 @@ public abstract class NotificationAssistantService extends NotificationListenerS
     public static final String SERVICE_INTERFACE
             = "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.
+     * @hide
+     */
+    @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.