!!! Overview
[{$pagename}] an identifier, as described in [Token Type Identifiers] ([OAuth 2.0 Token Exchange] Section 3), that indicates the type of the security token in the "[actor_token]" parameter.  


This is __REQUIRED__ when the "[actor_token]" parameter is present in the request but [MUST NOT] be included otherwise.

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