diff --git a/api/system-current.txt b/api/system-current.txt
index 6a37e8289ac4b..6a03c8e17f14d 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -36537,6 +36537,7 @@ package android.provider {
     field public static final java.lang.String ACTION_APPLICATION_DETAILS_SETTINGS = "android.settings.APPLICATION_DETAILS_SETTINGS";
     field public static final java.lang.String ACTION_APPLICATION_DEVELOPMENT_SETTINGS = "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
     field public static final java.lang.String ACTION_APPLICATION_SETTINGS = "android.settings.APPLICATION_SETTINGS";
+    field public static final java.lang.String ACTION_APP_NOTIFICATION_SETTINGS = "android.settings.APP_NOTIFICATION_SETTINGS";
     field public static final java.lang.String ACTION_BATTERY_SAVER_SETTINGS = "android.settings.BATTERY_SAVER_SETTINGS";
     field public static final java.lang.String ACTION_BLUETOOTH_SETTINGS = "android.settings.BLUETOOTH_SETTINGS";
     field public static final java.lang.String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index fd8b2cafc8744..959e72b08f52b 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -1275,10 +1275,14 @@ public final class Settings {
 
     /**
      * Activity Action: Show notification settings for a single app.
-     *
-     * Input: Optionally, {@link #EXTRA_CHANNEL_ID}, to highlight that channel.
+     * <p>
+     *     Input: {@link #EXTRA_APP_PACKAGE}, the package containing the channel to display.
+     *     Input: Optionally, {@link #EXTRA_CHANNEL_ID}, to highlight that channel.
+     * <p>
+     * Output: Nothing.
      * @hide
      */
+    @SystemApi
     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
     public static final String ACTION_APP_NOTIFICATION_SETTINGS
             = "android.settings.APP_NOTIFICATION_SETTINGS";