Reading RecID after Add()

[Fred.Stephenson]

>   if not resultSet.Update() then
>     return nil
>   end if
>
>After the Add, I want to read the RecID generated back out. Will this work
>correctly?
>
>   ' Read the record ID
>   recordId = resultSet.ULongField("RecID")
>

Yes ... but why the resultset.update??

Fred