The multi-select in the category filter

How does the multi-select feature work for the category filter?

With the Amasty Improved Layered Navigation extension, it is possible to enable multi-select for the category filter. Below are the description of the category filter behavior after enabling this feature. A
category filter without multi-select works as a redirect to the category page. It is impossible to deselect the filter, only click go back in the browser.
  1. When navigating to a category, it is not automatically selected in the filter tree; also, only the products from that specific category are displayed.



  1. When selecting any other category, the products shown correspond exclusively to that selected category. The selected category is added to the URL as a filter. 



  2. When filtering by the current category combined with another option, the resulting selection features products from both the current and additionally filtered category.



A category filter without multi-select will function as a redirect. Thus, if you pick the gray color on the parent category (Tops) and then pick the Jackets category in the category filter, the redirect to the Jackets category will occur with the Color:Grey filter applied. 


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