public function EntityType::addConstraint
public EntityType::addConstraint($constraint_name, $options = NULL)
Adds a validation constraint.
See \Drupal\Core\TypedData\DataDefinitionInterface::getConstraints() for details on how constraints are defined.
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
$this
Overrides EntityTypeInterface::addConstraint
File
- core/lib/Drupal/Core/Entity/EntityType.php, line 853
Class
- EntityType
- Provides an implementation of an entity type and its metadata.
Namespace
Drupal\Core\EntityCode
public function addConstraint($constraint_name, $options = NULL) { $this->constraints[$constraint_name] = $options; return $this; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!EntityType.php/function/EntityType::addConstraint/8.1.x