diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 1541231befc61..0fa5d2bbd0a6f 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -5818,6 +5818,11 @@ message MetricsEvent {
     // Tag used to report whether an activity is being autofilled  on compatibility mode.
     FIELD_AUTOFILL_COMPAT_MODE = 1414;
 
+    // OPEN: Settings > Sound > Switch connected devices dialog
+    // CATEGORY: SETTINGS
+    // OS: P
+    DIALOG_UPDATABLE_LIST_PREFERENCE = 1415;
+
     // ---- End P Constants, all P constants go above this line ----
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS