diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 63e5cacd8ef83..f696f94cae1f7 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -4119,6 +4119,11 @@ message MetricsEvent {
     // OS: O DR
     BLUETOOTH_PAIRING = 1018;
 
+    // ACTION: Collect PSD Signals
+    // CATEGORY: SETTINGS
+    // OS: O DR
+    ACTION_PSD_LOADER = 1019;
+
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS
   }