This activity has been deprecated so it won’t receive any update any more. It's not visible in the workflow designer but workflows which are using it will continue to work fine. There is a new version of the activity named DataTableGetNewRowV2. Use it to take advantage of the new features
DataTableGetNewRow
Description
This activity returns a new blank row with the same schema as the specified data table.
Input
DataTable InArgument<DataTable> REQUIRED
The table of which you want to get a new row.