To enable explicit tagging with the <preview:repositoryItem> tag, set the value of the previewTagsProcessingEnabled property of the /atg/dynamo/service/preview/PreviewTaggingUtils component to true.
On the server where preview is running, configure the atg.service.fluoroscope.SensorManagerService component:
Enable the
PreviewTaggingSensorsensor.Enable the
CachingListener,HtmlMarkingSensorListenerandPositionMarkingSensorListenerlisteners.Make these settings global to all sessions.

