Aspose::Words::MailMerging::MappedDataFieldCollection class. Allows to automatically map between names of fields in your data source and names of mail merge fields in the document. To learn more, visit the documentation article in C++....Aspose::Words::MailMerging::MappedDataFieldCollection class. Allows to automatically map between names of fields in your data source and names of mail merge fields in the document. To learn more, visit the documentation article in C++.