diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index d9c2a474d7f43..6023b3d0659e3 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -428,6 +428,7 @@ message Atom {
             266 [(module) = "framework"];
         AccessibilityServiceReported accessibility_service_reported = 267 [(module) = "settings"];
         DocsUIDragAndDropReported docs_ui_drag_and_drop_reported = 268 [(module) = "docsui"];
+        AppUsageEventOccurred app_usage_event_occurred = 269 [(module) = "framework"];
         SdkExtensionStatus sdk_extension_status = 354;
 
         // StatsdStats tracks platform atoms with ids upto 500.
@@ -9528,7 +9529,6 @@ message AccessibilityServiceReported {
     optional android.stats.accessibility.ServiceStatus service_status = 2;
 }
 
-
 message DisplayWakeReason {
     // Wake_up_reason code
     // If LOWORD(wake_up_reason) = 0
@@ -9539,3 +9539,19 @@ message DisplayWakeReason {
     // Count of wake up by reason
     optional int32 wake_times = 2;
 }
+
+/**
+ * Logs app usage events.
+ */
+message AppUsageEventOccurred {
+    optional int32 uid = 1;
+    optional string package_name = 2;
+    optional string class_name = 3;
+
+    enum EventType {
+        NONE = 0;
+        MOVE_TO_FOREGROUND = 1;
+        MOVE_TO_BACKGROUND = 2;
+    }
+    optional EventType event_type = 4;
+}