/**
* Returns the unregistration notice for the notification mails.
*
* @param tx_seminars_seminar $event the event to get the unregistration deadline from
*
* @return string the unregistration notice with the event's unregistration deadline, will not be empty
*/
protected function getUnregistrationNotice(tx_seminars_seminar $event)
{
$unregistrationDeadline = $event->getUnregistrationDeadlineFromModelAndConfiguration();
return sprintf($this->translate('email_unregistrationNotice'), strftime($this->getConfValueString('dateFormatYMD'), $unregistrationDeadline));
}
