gistfile1.txt

$bla = Message::get()
            ->filter(array(
                'IsPublished'                               => true,
                'StartPublication:GreaterThan:Not'          => date('Y-m-d'),
                'StopPublication:LessThan:Not'              => date('Y-m-d'),
                'Priority'                                  => array('High', 'Normal')
            ))
            ->sort('StartPublication', 'DESC')->limit($this->getLimit());

        debug::show($bla);