The parameterDataSetOffset with DataType UInt16 defines the offset in bytes for the DataSetMessageinside the corresponding NetworkMessagerelative to the beginning of the NetworkMessage. The default value 0 is defined as null value, and means that the position of the DataSetMessagein a NetworkMessageis not fixed.

This parameter should be set if the PayloadHeaderflag in the NetworkMessageContentMaskis false and therefore the NetworkMessagehas a fixed layout.