address comments

project-chip · Apr 19, 2022 · 3ef8afc · 3ef8afc
1 parent f621005
commit 3ef8afc
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/app/ReadClient.h b/src/app/ReadClient.h
@@ -186,6 +186,8 @@ class ReadClient : public Messaging::ExchangeDelegate
 
         /*
          * Get highest received event number.
+         * If application don't have this one, it clear outparam and return CHIP_NO_ERROR.
+         * if any returning error, it will fail the entire read client.
          */
         virtual CHIP_ERROR GetHighestReceivedEventNumber(Optional<EventNumber> & aEventNumber)
         {