!!! Overview 

[Attributes] flagged [{$pagename}] should be used for attribute types that are used for behind-the-scenes processing within the server and typically are not to be modified by user operations.

A usage of [DSAOperation], [DistributedOperation], or [{$pagename}] indicates that attributes of this type represent operational and/or administrative information. That is, they are [Operational Attributes].[1] 

!! More Information 
There might be more information for this subject on one of the following: 
[{ReferringPagesPlugin before='*' after='\n' }] 

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* [#1] - [http://www.rfc-editor.org/rfc/rfc4512.txt|http://www.rfc-editor.org/rfc/rfc4512.txt|target='_blank'] - based on 2013-04-10