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Scope: Core (OPC-10000-*) All specs

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OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.22.3 EventFilter

sent to the Client . Each Event Notification shall include the fields defined by the selectClauses parameter of the EventFilter . The defined EventType s are specified ... selectClauses and whereClause parameters are specified with the SimpleAttributeOperand structure (see 7.7.4.5 ). This structure requires the NodeId of an EventType supported by the Server and a path to an InstanceDeclaration