188.8.131.52 Modifying a Search Folder
Any changes to the search folder MUST be made to the search folder definition message in the FAI contents table of the Common Views folder. The search folder container (if one exists) MUST be updated or deleted. If it is deleted, it MUST be updated or re-created when the search folder is accessed. In addition to any change:
The PidTagSearchFolderTag property (section 184.108.40.206.3) of the Message object and the SearchFolderTag subproperty (section 220.127.116.11.2) of the search folder container MUST be updated. These new values MUST be equal.
The PidTagSearchFolderLastUsed property (section 18.104.22.168.4) is set to the current time.