function DependentDropdown::getFormId

Returns a unique string identifying the form.

The returned ID should be a unique string that can be a valid PHP function name, since it's used in hook implementation names such as hook_form_FORM_ID_alter().

Return value

string The unique string identifying the form.

Overrides FormInterface::getFormId

File

modules/ajax_example/src/Form/DependentDropdown.php, line 17

Class

DependentDropdown
Re-populate a dropdown based on form state.

Namespace

Drupal\ajax_example\Form

Code

public function getFormId() {
  return 'ajax_example_dependentdropdown';
}