function FileExtensionConstraint::getDefaultOption
File
- 
              core/modules/ file/ src/ Plugin/ Validation/ Constraint/ FileExtensionConstraint.php, line 38 
Class
- FileExtensionConstraint
- File extension constraint.
Namespace
Drupal\file\Plugin\Validation\ConstraintCode
public function getDefaultOption() : string {
  return 'extensions';
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
