ValidReferenceConstraint::$nullMessage
Violation message when the target_id is empty.
Type: string
File
-
core/
lib/ Drupal/ Core/ Entity/ Plugin/ Validation/ Constraint/ ValidReferenceConstraint.php, line 46
Class
- ValidReferenceConstraint
- Entity Reference valid reference constraint.
Namespace
Drupal\Core\Entity\Plugin\Validation\ConstraintCode
public $nullMessage = 'This value should not be null.';
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