public function DataDefinitionInterface::isRequired

public DataDefinitionInterface::isRequired()

Determines whether a data value is required.

For required data a non-NULL value is mandatory.

Return value

bool Whether a data value is required.

File

core/lib/Drupal/Core/TypedData/DataDefinitionInterface.php, line 114

Class

DataDefinitionInterface

Interface for data definitions.

Namespace

Drupal\Core\TypedData

Code

public function isRequired();