SPSite.CurrentChangeToken Property
Gets the change token that will be used to log the next change to the site collection.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Property Value
Type: Microsoft.SharePoint.SPChangeTokenAn SPChangeToken object that represents the change token.
You can use the value of this property to query the change log by calling the GetChanges(SPChangeToken) method. For more information, see Using the Change Log.