.. include:: /Includes.rst.txt .. index:: user TSconfig; Extensions user TSconfig; tx_* ==== tx_* ==== The `tx_` prefix key is not used in the core itself, and is just a reserved space for extensions to never collide with core options, a use case could be `tx_news` for the news extension. Extension developers should create a key like that: `tx_[extension key with no underscore]`