diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index d8d91af2801ad..1670ba02cf18e 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -4025,6 +4025,15 @@ message MetricsEvent {
     // OS: O DR
     ASSIST_GESTURE_TRIGGERED = 999;
 
+    // ACTION: Update default app from Settings
+    ACTION_SETTINGS_UPDATE_DEFAULT_APP = 1000;
+
+    // FIELD - Query length when Settings search result is clicked
+    FIELD_SETTINGS_SERACH_QUERY_LENGTH = 1001;
+
+    // FIELD - Number of results when Settings search result is clicked
+    FIELD_SETTINGS_SERACH_RESULT_COUNT = 1002;
+
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS
   }