Contains information about an audited event that is connected to a site collection, site, folder, list, or list item.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: No
Most of the properties of hold information that is audited for all events (although some of these properties are a null reference (Nothing in Visual Basic) for certain kinds of events). The EventData property holds information, as XML markup, that is specific to the particular type of event identified in the Event property.
The following example (from Item-Level Auditing with SharePoint Server 2007) shows this class in use.