function ContextDefinitionInterface::addConstraint
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
$this
1 method overrides ContextDefinitionInterface::addConstraint()
- ContextDefinition::addConstraint in core/
lib/ Drupal/ Core/ Plugin/ Context/ ContextDefinition.php - Adds a validation constraint.
File
-
core/
lib/ Drupal/ Component/ Plugin/ Context/ ContextDefinitionInterface.php, line 162
Class
- ContextDefinitionInterface
- Interface used to define definition objects found in ContextInterface.
Namespace
Drupal\Component\Plugin\ContextCode
public function addConstraint($constraint_name, $options = NULL);