Как получить модель из указанного каталога? - Joomla 4 и Joomla 5: Общие вопросы

$model = Factory::getApplication()->bootComponent('com_content')->getMVCFactory()->createModel('Articles', 'Site', ['ignore_request' => true]);

AdminModel::addIncludePath(JPATH_PLUGINS.'/system/filter/src/Model/','FieldsModel');
$model = AdminModel::getInstance('Field','FieldsModel',['ignore_request' => true]);

use Joomla\CMS\MVC\Model\BaseDatabaseModel;
BaseDatabaseModel::addIncludePath(__DIR__ .'/src/Model');

use Joomla\CMS\MVC\Model\BaseDatabaseModel;
$model = BaseDatabaseModel::getInstance('JTextModel');

use \Joomla\CMS\MVC\Model\BaseModel;
class JTextModel extends BaseModel {}

$model = BaseDatabaseModel::getInstance('JTextModel', 'JModel');

use \Joomla\CMS\MVC\Model\BaseModel;
class JModelJTextModel extends BaseModel {}