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ViewHelper: Argument

TYPO3

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Description

The `<f:argument>` ViewHelper defines required and optional variables in Fluid templates or partials. It enforces existence and type constraints at render time, providing clear documentation and reducing runtime errors.

Goals

  • I know how to declare required and optional arguments in a Fluid template using `<f:argument>`.
  • I understand the implications of type constraints and default values for template arguments.
  • I know that `<f:argument>` must be used at the top level of templates and cannot include dynamic expressions.
  • I can identify rendering issues caused by missing or wrongly typed arguments in templates.

Maintainer

Oliver Thiele Web Development Oliver Thiele