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.

2 methods override DataDefinitionInterface::addConstraint()

DataDefinition::addConstraint in core/lib/Drupal/Core/TypedData/DataDefinition.php

FieldConfigInterface::addConstraint in core/lib/Drupal/Core/Field/FieldConfigInterface.php

Adds a validation constraint to the FieldItemList.

File

core/lib/Drupal/Core/TypedData/DataDefinitionInterface.php, line 222

Class

DataDefinitionInterface

Interface for data definitions.

Namespace

Drupal\Core\TypedData

Code

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

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