SPAuditEntry.Event property

Gets a value that identifies the type of event.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

public SPAuditEventType Event { get; }

Property value

Type: Microsoft.SharePoint.SPAuditEventType
A SPAuditEventType that represents the type of event.

Event has the value SPAuditEventType.Custom for custom events at your SharePoint Foundation deployment. Use EventName to distinguish different kinds of custom events.