agent property
agent The entity is attributed to an agent to express the agent's responsibility for that entity in the activity. This is most used to indicate when persistence media (the entity) are used by an agent. For example when importing data from a device, the device would be described in an entity, and the user importing data from that media would be indicated as the entity.agent.
Implementation
List<AuditEventAgent>? get agent => throw _privateConstructorUsedError;