Commita8909ec

Florent Mata

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Update Expression constraint with "negate" option

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Original file line number	Diff line number	Diff line change
`@@ -143,6 +143,11 @@ expression that must return true in order for validation to pass. To learn`
`143`	`143`	`more about the expression language syntax, see`
`144`	`144`	:doc:`/components/expression_language/syntax`.
`145`	`145`
	`146`	`+..versionadded::6.2`
	`147`	`+`
	`148`	+ Alternatively, you can set the `negate`_ option to ``false`` in order to
	`149`	`+ assert that the expression must return true for validation to fail.`
	`150`	`+`
`146`	`151`	`..sidebar::Mapping the Error to a Specific Field`
`147`	`152`
`148`	`153`	`You can also attach the constraint to a specific property and still validate`
`@@ -294,6 +299,13 @@ Parameter Description`
`294`	`299`	``{{ label }}`` Corresponding form field label
`295`	`300`	`=============== ==============================================================`
`296`	`301`
	`302`	+``negate``
	`303`	`+~~~~~~~~~~~`
	`304`	`+`
	`305`	+type: ``boolean`` default: ``true``
	`306`	`+`
	`307`	+If ``false``, the validation fails when expression returns ``true``.
	`308`	`+`
`297`	`309`	`..include::/reference/constraints/_payload-option.rst.inc`
`298`	`310`
`299`	`311`	``values``

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