This EventType is defined in OPC 10000-3. Its representation in the AddressSpace is formally defined in Table 36.

Table 36 – AuditCertificateExpiredEventType definition

Attribute		Value
BrowseName		AuditCertificateExpiredEventType
IsAbstract		True
References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule
Subtype of the AuditCertificateEventType defined in 6.4.12, which means it inherits the InstanceDeclarations of that Node.
Conformance Units
Auditing Connections

This EventType inherits all Properties of the AuditCertificateEventType. Their semantic is defined in 6.4.12. The SourceName for Events of this type shall be "Security/Certificate". The Message Variable shall include a description of why the certificate was expired (i.e. time before start or time after end). There are no additional Properties defined for this EventType.