If you want to use the PHP function "add_revslider" in your code please make sure to activate "Include RevSlider libraries globally" and/or add the current page to the "Pages to include RevSlider libraries" option in the "Global Settings" of Slider Revolution.
Artikel von Astrid Steinmetz in der PraxisPflegen
Praxistransfer Pflege
Steinmetz, A. (2019). Kommunikation ohne Worte:
Nimm mich wahr, damit ich bin.
PraxisPflegen, 36, 39-41