I have gone through the Search Criteria functionality to filter the products, for this I have created the custom attributesmart_search multiselect attribute. And I have written some code for filter those items.

But it is not working for me, for this I written below stuff.


namespace ABCCompany\CustomerSearch\Observer;

class RedirectCustomerSearch implements \Magento\Framework\Event\ObserverInterface{

    * @var \Magento\Catalog\Model\ProductRepository
    protected $_productRepository;

    * @var \Magento\Framework\Api\SearchCriteriaBuilder
    protected $_searchCriteria;

    public function __construct
        \Magento\Catalog\Model\ProductRepository $productRepository,
        \Magento\Framework\Api\SearchCriteriaBuilder $searchCriteriaBuilder
        $this->_productRepository = $productRepository;
        $this->_searchCriteria = $searchCriteriaBuilder;

    public function getSmartSearch($search){

        $searchCriteria = $this->_searchCriteria->addFilter('smart_search', $search)->create();
        $result = $this->_productRepository->getList($searchCriteria);
        return $result->getItems() 



In smart_search options have blue color, binding, Comics etc.. I have passed blue color, but it is returning nothing.

Could you please suggest me where I went wrong?

1 Answer 1


As your custom attribute 'smart_search' is a multiselect attribute, on the creation of the search criteria the value that you have to pass is the option value and not the option label like blue color. Additionally, the default condition type of the addFilter function in 'eq'. As your custom attribute is multiselect you have to change this to 'finset'.

Try something like below, where $search is the option value of your custom attribute.

$searchCriteria = $this->_searchCriteria->addFilter('smart_search', $search, 'finset')->create();

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