public EntityTypeInterface::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
$this
File
- core/lib/Drupal/Core/Entity/EntityTypeInterface.php, line 777
Class
- EntityTypeInterface
- Provides an interface for an entity type and its metadata.
Namespace
Drupal\Core\Entity
Code
public function addConstraint($constraint_name, $options = NULL);
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