FactoryTalk Optix Installation Guide

Audit events

Audit event types, generators, triggers, and use cases for

FactoryTalk Optix Applications

.

Event types
Event type	Generator	Trigger	Use cases	Examples
AuditAddNodesEventType	AuditEventEmitter	New node created in information model	Audit trail for model changes Compliance logging Change management	Create a variable Instantiate an alarm object Add a method
AuditAddReferencesEventType	AuditEventEmitter	Reference created between nodes	Model relationship tracking Dependency auditing	New "HasComponent" reference linking pump to tank
AuditDeleteNodesEventType	AuditEventEmitter	Node deleted from information model	Model cleanup Feature removal Compliance documentation	Temporary variable removed after test phase
AuditDeleteReferencesEventType	AuditEventEmitter	Reference between nodes deleted	Model simplification Relationship removal	Tank-to-pump connection removed
AuditEventType	AuditEventEmitter	Base event type for all audit operations	Comprehensive system audit trail Compliance logging	Any audit-level operation (node management, variable changes, method calls, object updates)
AuditNodeManagementEventType	AuditEventEmitter	Nodes added or deleted	Model structure auditing Change management	Variable creates during runtime Alarm deletes
AuditUpdateEventType	AuditEventEmitter	OPC UA objects updated	Object change auditing Configuration updates	Object properties changed Object state updated
AuditUpdateMethodEvent	AuditEventEmitter	Method called on object	Action tracking Workflow auditing	Start() method called on pump controller EmergencyStop() method invoked
AuditWriteUpdateEventType	AuditEventEmitter	Variable values changed AND session context exists (external write)	OPC UA audit trail Compliance logging External parameter change tracking	High-limit setpoint written via OPC UA client Operator changes PID gain

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