public static function ButtonField::propertyDefinitions in Button Field 8

Defines field item properties.

Properties that are required to constitute a valid, non-empty item should be denoted with \Drupal\Core\TypedData\DataDefinition::setRequired().

Return value

\Drupal\Core\TypedData\DataDefinitionInterface[] An array of property definitions of contained properties, keyed by property name.

Overrides FieldItemInterface::propertyDefinitions

See also

\Drupal\Core\Field\BaseFieldDefinition

File

src/Plugin/Field/FieldType/ButtonField.php, line 70

Contains Drupal\button_field\Plugin\Field\FieldType\ButtonField.

Class

ButtonField

Plugin implementation of the 'button_field' field type.

Namespace

Drupal\button_field\Plugin\Field\FieldType

Code

public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
  $properties['value'] = DataDefinition::create('string')
    ->setLabel(t('Value'));
  return $properties;
}