/**
* Confirmation check
*
* @param string $title Lang string key for title
* @param string $message Lang string key for confirm message
* @param string $submit Lang string key for submit button
* @param string $css CSS classes for the message
* @return bool
*/
public function confirmedDelete( $title = 'delete_confirm', $message = 'delete_confirm_detail', $submit = 'delete', string $css = 'ipsMessage ipsMessage_warning' )
{
It should work. Bug?