The id of the event in the database.
The timestamp this event was added to the log.
The type of the event, matching the name of the class that generated it.
The sub-type of the event.
The name of the class that generated this event.
The IP address that generated this event, if applicable.
The name of the host that generated this event, if applicable.
The request URI that generated this event, if applicable.
The browser string of the browser that generated the request that triggered this event, if applicable.
The description of the event, if applicable.
A hash array of the additional data linked to this event.
