Element_OphTrOperationnote_ProcedureList::rules PHP Method

    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(array('event_id, eye_id, booking_event_id', 'safe'), array('eye_id, procedures', 'required'), array('id, event_id, eye_id', 'safe', 'on' => 'search'));
    }