public function BookOutlineForm::getBaseFormId in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/book/src/Form/BookOutlineForm.php \Drupal\book\Form\BookOutlineForm::getBaseFormId()

Returns a string identifying the base form.

Return value

string|null The string identifying the base form or NULL if this is not a base form.

Overrides EntityForm::getBaseFormId

File

core/modules/book/src/Form/BookOutlineForm.php, line 67

Class

BookOutlineForm

Displays the book outline form.

Namespace

Drupal\book\Form

Code

public function getBaseFormId() {
  return NULL;
}