# CheckResultComment The value of the comment field of [MqlTradeCheckResult](/en/docs/constants/structures/mqltradecheckresult) type filled while checking the request correctness. ``` string  CheckResultComment() const  ``` Return Value The value of the comment field (comment to the reply code, error description) of [MqlTradeCheckResult](/en/docs/constants/structures/mqltradecheckresult) type filled while checking the request correctness.