Adds a validation constraint.

Parameters

string $constraint_name: The name of the constraint to add, i.e. its plugin id.

array|null $options: The constraint options as required by the constraint plugin, or NULL.

Return value

$this

1 method overrides ContextDefinitionInterface::addConstraint()

ContextDefinition::addConstraint in core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php

File

core/lib/Drupal/Component/Plugin/Context/ContextDefinitionInterface.php, line 162

Class

ContextDefinitionInterface

Interface used to define definition objects found in ContextInterface.

Namespace

Drupal\Component\Plugin\Context

Code

public function addConstraint($constraint_name, $options = NULL);

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