This documentation is not using the current rendering mechanism and is probably outdated. The extension maintainer should switch to the new system. Details on how to use the rendering mechanism can be found here.
DO NOT use the same database movement within different TYPO3 installations where non trusted customers on the same database:
If you do have more than one customer which are allowed to access the same Matomo database, than this could be a great security problem. This could occur, if you give your customers admin rights in TYPO3 and use only one Matomo.
Solution: use a different Matomo database for all your customers.