public function DataDefinitionInterface::addConstraint

public DataDefinitionInterface::addConstraint($constraint_name, $options = NULL)

Adds a validation constraint.

See \Drupal\Core\TypedData\DataDefinitionInterface::getConstraints() for details.

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

static The object itself for chaining.

File

core/lib/Drupal/Core/TypedData/DataDefinitionInterface.php, line 219

Class

DataDefinitionInterface

Interface for data definitions.

Namespace

Drupal\Core\TypedData

Code

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