OPC Studio User's Guide and Reference
Querying for OPC A&E Event Attributes
Concepts > OPC Data Client Concepts > OPC Data Client Development Models > Imperative Programming Model > Imperative Programming Model for OPC Classic A&E > Browsing for Information (OPC A&E) > Querying for OPC A&E Event Attributes

The EasyAEClient.QueryCategoryAttributes method finds out event attributes that the server can provide as part of an event notification within a given event category.

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