diff --git a/proto/sharing_enums.proto b/proto/sharing_enums.proto
index df4c70ed..ab631166 100644
--- a/proto/sharing_enums.proto
+++ b/proto/sharing_enums.proto
@@ -30,7 +30,7 @@ option objc_class_prefix = "GNSHP";
 // in NearbyClearcutLogger (for android, or clearcut_event_logger as the
 // equivalence for Windows) for all events (may exclude settings), and
 // session_id for a pair of events (start and end of a session).
-// Next id: 62
+// Next id: 63
 enum EventType {
   UNKNOWN_EVENT_TYPE = 0;
 
@@ -229,6 +229,9 @@ enum EventType {
   // The device is discovered by fast initialization
   FAST_INIT_DISCOVER_DEVICE = 61;
 
+  // Send desktop notification.
+  SEND_DESKTOP_NOTIFICATION = 62;
+
   // LINT.ThenChange(//depot/google3/location/nearby/proto/nearby_event_codes.proto:SharingEventCode)
 }
 
@@ -614,3 +617,17 @@ enum FastInitType {
   // Not notify the user.
   FAST_INIT_SILENT_TYPE = 2;
 }
+
+// LINT.IfChanged
+/** The type of desktop notification event. */
+enum DesktopNotification {
+  DESKTOP_NOTIFICATION_UNKNOWN = 0;
+  DESKTOP_NOTIFICATION_CONNECTING = 1;
+  DESKTOP_NOTIFICATION_PROGRESS = 2;
+  DESKTOP_NOTIFICATION_ACCEPT = 3;
+  DESKTOP_NOTIFICATION_RECEIVED = 4;
+  DESKTOP_NOTIFICATION_ERROR = 5;
+}
+// LINT.ThenChange(
+//   //depot/google3/location/nearby/cpp/sharing/clients/dart/platform/lib/types/models.dart
+// )