> For the complete documentation index, see [llms.txt](https://knowledgebase.ajaxsearchpro.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://knowledgebase.ajaxsearchpro.com/miscellaneous/woocommerce/how-to-search-products-and-product-sku.md).

# How to search products & product SKU?

## Regular Engine 

To search product **SKUs**, select the “\_sku” custom field on the `General Options -> Sources` panel, on the search instance options:

![product\_sku-ajax-search-pro](https://wp-dreams.com/wp-content/uploads/2016/02/15/admin/7706/admin/product_sku-ajax-search-pro.jpg)

## Index Table Engine

Select the “\_sku” custom field on the `General` panel:

![](/files/-MB-FqtbR5CZFlWERTqg)

## Note

Make sure you have the **product** custom post type selected as well with the Search in custom post types option:

![](https://i.imgur.com/cEmvqw3.png)