OEModule\OphCiExamination\models\Element_OphCiExamination_History::relations PHP Method

    public function relations()
    {
        // NOTE: you may need to adjust the relation name and the related
        // class name for the relations automatically generated below.
        return array('eventType' => array(self::BELONGS_TO, 'EventType', 'event_type_id'), 'event' => array(self::BELONGS_TO, 'Event', 'event_id'), 'user' => array(self::BELONGS_TO, 'User', 'created_user_id'), 'usermodified' => array(self::BELONGS_TO, 'User', 'last_modified_user_id'));
    }