SPListEventProperties.FeatureId property

Gets the unique identifier of the SharePoint feature that created the list.

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

public Guid FeatureId { get; }

Property value

Type: System.Guid
The Guid value is the ID of a feature if the list event is triggered by the activation of a feature; otherwise the Guid value is Guid.Empty.