/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state)
{
$form = parent::form($form, $form_state);
$event_definitions = $this->eventManager->getGroupedDefinitions();
$options = [];
foreach ($event_definitions as $group => $definitions) {
foreach ($definitions as $id => $definition) {
$options[$group][$id] = $definition['label'];
}
}
$form['events']['#tree'] = TRUE;
$form['events'][]['event_name'] = ['#type' => 'select', '#title' => $this->t('React on event'), '#options' => $options, '#required' => TRUE, '#description' => $this->t('Whenever the event occurs, rule evaluation is triggered.')];
return $form;
}
