The CyclicDataSet with DataType Boolean defines the type of DataSetMessages created by the PublishedDataSet.

If CyclicDataSet is false, event DataSetMessages are sent acyclicly and a related DataSetWriter shall use a KeyFrameCount of 0.

If CyclicDataSet is true, key frame or delta frame DataSetMessages are sent and a related DataSetWriter shall use a KeyFrameCount that is greater than or equal to 1.

This Structure DataType is used to represent custom PublishedDataSet source specific parameters. It is a subtype of the PublishedDataSetSourceDataType defined in 6.2.3.6.

The DataType can be used directly if no further information is exposed for the source. OPC UA Applications shall use DataTypes derived from PublishedDataSetSourceDataType if they want to provide custom information about the source e.g. product specific configuration options.

The PublishedDataSetCustomSourceDataType is formally defined in Table 22.

Table 22 – PublishedDataSetCustomSourceDataType structure

Name	Type	Description
PublishedDataSetCustomSourceDataType	Structure	Subtype of PublishedDataSetSourceDataType defined in 6.2.3.6.
CyclicDataSet	Boolean	Defined in 6.2.3.9.1.

Its representation in the AddressSpace is defined in Table 23.

Table 23 – PublishedDataSetCustomSourceDataType definition

Attributes	Value
BrowseName	PublishedDataSetCustomSourceDataType
IsAbstract	False
Subtype of PublishedDataSetSourceDataType defined in 6.2.3.6.
Conformance Units
PubSub Parameters PublishedDataSet Custom