SOS! Добавление дополнительного фильтра в модель вида блога - Разработка расширений для Joomla

$model->setState('filter.category_id', $category->id);

$model->setState('filter.category_id', 23);

$model->setState('filter.created_by', 43);

function getItems()
	{
		$params = $this->getState()->get('params');
		$limit = $this->getState('list.limit');

		if ($this->_articles === null && $category = $this->getCategory()) {
			$model = JModel::getInstance('Articles', 'ContentModel', array('ignore_request' => true));
			$model->setState('params', JFactory::getApplication()->getParams());
			$model->setState('filter.category_id', $category->id);
			$model->setState('filter.published', $this->getState('filter.published'));
			$model->setState('filter.access', $this->getState('filter.access'));
			$model->setState('filter.language', $this->getState('filter.language'));
			$model->setState('list.ordering', $this->_buildContentOrderBy());
			$model->setState('list.start', $this->getState('list.start'));
			$model->setState('list.limit', $limit);
			$model->setState('list.direction', $this->getState('list.direction'));
			$model->setState('list.filter', $this->getState('list.filter'));
			// filter.subcategories indicates whether to include articles from subcategories in the list or blog
			$model->setState('filter.subcategories', $this->getState('filter.subcategories'));
			$model->setState('filter.max_category_levels', $this->setState('filter.max_category_levels'));
			$model->setState('list.links', $this->getState('list.links'));

			if ($limit >= 0) {
				$this->_articles = $model->getItems();

				if ($this->_articles === false) {
					$this->setError($model->getError());
				}
			}
			else {
				$this->_articles=array();
			}

			$this->_pagination = $model->getPagination();
		}

		return $this->_articles;
	}