diff --git a/payload_state.h b/payload_state.h
index bec5823..46711b6 100644
--- a/payload_state.h
+++ b/payload_state.h
@@ -147,6 +147,10 @@
     return p2p_url_;
   }
 
+  inline ErrorCode GetAttemptErrorCode() const override {
+    return attempt_error_code_;
+  }
+
  private:
   enum class AttemptType {
     kUpdate,
@@ -559,6 +563,9 @@
   // The connection type when the attempt started.
   metrics::ConnectionType attempt_connection_type_;
 
+  // The attempt error code when the attempt finished.
+  ErrorCode attempt_error_code_;
+
   // Whether we're currently rolling back.
   AttemptType attempt_type_;