I have a problem with setting up filters on my Magento 2 website. I want to implement multi-level navigation so that customers can effectively filter products by various criteria, such as categories, attributes, brands, and other parameters. However, I don't quite understand how to properly configure multi-level filters so that they work smoothly and show accurate results. Maybe someone has encountered a similar situation and can share their experience on how to properly configure such filters in Magento 2 and avoid possible problems?
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In Magento 2, to set up multi-level filters, you need to enable Layered Navigation. Make sure that the attributes you want to use have the value Use in Layered Navigation = Filterable (with results) in Stores > Attributes > Product. It is also important to set Anchor for categories in Catalog > Categories to activate filtering. If the standard features do not give the desired result, pay attention to advanced modules, such as the solution from Amasty. Their module magento 2 collection filter will help make filtering more accurate and fast, as well as add additional parameters and a convenient UX.