MethodSchedule::revoke

public function revoke()
{
	$this->letter->set('MONTHS_OF_YEAR', null);
	$this->letter->set('DAYS_OF_MONTH', null);
	$this->letter->set('DAYS_OF_WEEK', null);
	$this->letter->set('TIMES_OF_DAY', null);
	$this->letter->set('REITERATE', 'N');
}