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To provide interoperability between Publishers, Subscribers, Security Key Services and configuration tools, all PubSub related Objects shall be exposed through an Object called “PublishSubscribe” that is of the type PubSubKeyServiceType or a subtype. This Object shall be a component of the Server Object. It is formally defined in Table 99.

Table 99 – PublishSubscribe Object Definition

Attribute	Value
BrowseName	PublishSubscribe
References	Node Class	BrowseName	DataType	TypeDefinition	Modelling Rule
ComponentOf the Server Object defined in OPC 10000-5.
HasTypeDefinition	ObjectType	PubSubKeyServiceType