public function forFilterId($filterId)
    {
        $filter = $this->agenda->getFilter($filterId);
        if ($filter) {
            return $this->forFilter($filter);
        }

        return $this;
    }
public function forFilterId($filterId)
    {
        $filter = $this->agenda->getFilter($filterId);
        if ($filter) {
            return $this->forFilter($filter);
        }

        return $this;
    }
public function forFilterId ( $ filterId ) { $ filter = $ this -> agenda -> getFilter ( $ filterId ) ; if ( $ filter ) { return $ this -> forFilter ( $ filter ) ; } return $ this ; }
For a certain appointment filter

@param int $filterId
@return \Gems\Agenda\AppointmentSelect
For a certain appointment filter