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);
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