DataSetscan be individual for a Publisheror they can be derived from a DataSetClass. Such a DataSetClassacts as template declaring the content of a DataSet. The DataSetClassis identified by a globally unique id – the DataSetClassId(see 6.2.3.3).

The DataSetMetaDatais identical for all PublishedDataSetsthat are configured based on this DataSetClass. The DataSetClassIdshall be in the corresponding field of the DataSetMetaData.

When all DataSetMessagesof a NetworkMessageare created from DataSetsthat are instances of the same DataSetClass, the DataSetClassIdof this class can be provided in the NetworkMessageheader.