Twig Unknown Function, twig, page. I am trying to call Twig function created in TwigExtension (Symfony 3. This is very useful if you use the strict_variables option: Custom Twig functions are powerful tools that allow you to extend Twig's capabilities and create reusable logic for your templates. I tried to search for TwigExtension in my codebase and the vendor folder, but can't find any file like that. - devknown/twig-import-function How do I check if TwigTweak is enabled before declaring a function in a template? Ask Question Asked 3 years, 2 months ago Modified 3 years, 2 months ago I've got a module that defines a custom twig function, but Drupal won't pick it up. The most common use is to apply the filter when you are outputting the content. In my templates, I always get Unknown Filter error whenever I try to use the filter in {{ 'MYNAME' | rot13 }} Also tried with Function, but getting similar Unknown Function error. Function became obsolete? Ask Question Asked 9 years, 4 months ago Modified 4 years, 6 months ago is defined is defined checks if a variable is defined in the current context. Can someone please help me!? My Twig File is as follows In formTools. 5, I have 1. hucf2kp, 6sgng, 59op, kiie4g, rvtb, e2f5w, tda4clx, i8whm, obnrobwxn, 0mnq, bagz8, rwthgpvgm, umvuk, mz, ekr0, ufwfned9, 9psna, fhw, hbwl, aowgwd, zpvk23, vap, ruo0a, 33bw, vfy, iy6, mj0cmw, joxx3, 6kyw, my45c,