We are using Beaver Builder and Metabox to manage our post types called Primes (videos with some TAGS). The thing that everyprime is related to a past summit event we did and the content is very varied. So we decided to add a search bar where user can filter by title, tags or whatever is alloed.
Meta Box supports adding value for custom fields in the backend and outputting the value on the frontend. Creating a filter (search bar) on the frontend is beyond the scope support of Meta Box. However, you can follow these articles to create your own custom code to do that https://metabox.io/?s=filter&post_type=post
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