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13 changes: 13 additions & 0 deletions components/config/definition.rst
Original file line number Diff line number Diff line change
Expand Up @@ -281,6 +281,19 @@ has a certain value:
->end()
;

Documenting the Option
----------------------

All options can be documented using the
:method:`Symfony\\Component\\Config\\Definition\\Builder\\NodeDefinition::info`
method.

The info will be printed as a comment when dumping the configuration tree.

.. versionadded:: 2.6
Since Symfony 2.6, the info will also be added to the exception message
when an invalid type is given.

Optional Sections
-----------------

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