https://phpspot.net/php/man/php/eventbufferevent.getenabled.html
EventBufferEvent::getEnabled - Returns bitmask of events currently enabled on the buffer event
of eventson thereturnsbitmaskcurrently
https://reference.opcfoundation.org/specs/OPC-30030/8.16.2.2
Variable Bitmask – OPC UA for BACnet - BACnet: OPC UA Information Model
This OPC UA Property, of DataType OptionSet , is the Bitmask parameter for the object's event algorithm. The Bitmask value represents the bitmask that defines…
opc uainformation modelvariablebitmaskbacnet