[TYPO3-dev] Plugin Config Flexform

[Roman Pretory]

No don't work, I try first, seems to be the old way for 6.x

This lines befor were the result from the Book: Typo3 Extbase 2 Edition for T3 7LTS Page 193-194 delivert yesterday.

Now I have read the 
https://wiki.typo3.org/Extension_Development,_using_Flexforms#Dynamic_Data_in_Flexforms

but this seems to be old too because t3lib_extMgm:: is not used anymore in T3 7.6 and I don't need to rebuild a working ext with old code not working in the next release . :-(

Thx Roman