Вывод данных из другой формы - RS Form!

http://www.your-site-name.com/index.php?option=com_rsform&formId=your-second-form-id&hash={hash:value}

//<code>
    $db = JFactory::getDbo();
    $db->setQuery("SELECT `column_name` FROM `#__table_name` WHERE `column_name`='value' LIMIT 1");
    return $db->loadResult();
    //</code>

//<code>
    $db = JFactory::getDbo();
    $db->setQuery("SELECT `SubmissionValueId` FROM `yotix_rsform_submission_values` WHERE `FieldValue`='value' LIMIT 1");
    return $db->loadResult();
    //</code>

//<code>
    $db = JFactory::getDbo();
    $db->setQuery("SELECT `FieldValue` FROM `yotix_rsform_submission_values` WHERE `SubmissionValueId`='3354' LIMIT 1");
    return $db->loadResult();
    //</code>