!!! Overview
[{$pagename}] implies the [attribute]'s value has been acquired from one or more non-authoritative sources. 

For example, an AP purchases a driver's license number from a third-party [Attribute Provider] which did not provide a source.

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