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How to limit facets options to specific terms in taxonomy

I have a Drupal 9.3 site with Search API, Database Search and Facets modules active.

The site also has a taxonomy with hierarchy. I’ve built a working View and added a Facet to filter items by that taxonomy. I can enable the "Use Hierarchy" checkbox in the Facet’s settings. (I’ve also turned on the hierarchy processor in Search API).

This gives me a working filter where I can check a parent taxonomy item, then select from its children.

But, what I want is to limit the Facet filter to ONLY show specific predetermined terms. I’m looking for exactly the same ability as within a view, by creating a datasource filter and using the checkbox to "Limit list to selected items" in the vocabulary.

This article was republished from its original source.
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How to limit facets options to specific terms in taxonomy

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