This skill covers the Symfony Expression syntax used in e.g. TypoScript conditions and ways to extend that functionality with custom code.
Core Architecture & APIs, TYPO3 , TypoScript
- I know the Symfony component "Expression Language" and its syntax.
- I can write and register own ExpressionFunctionProviders.
- I can provide custom TypoScript conditions using my own ExpressionFunctionProviders.
- I also know, that expressions also take place in variant conditions provided by site configuration.