How-To add Brave Search to Firefox Search Bar

I am not yet using Brave browser, because Chrome based. How-To add Brave Search to Firefox Search Bar?

Brave, the browser which has gained momentum and popularity in recent years, is taking another leap forward in its quest to offer users a more private and secure internet experience. Starting today, Brave browser users will have access to Brave Search in beta, a completely new search engine that offers "unmatched privacy."

Source: MacRumors

Solution 1:

I know link only comment is bad but the primary answer is available here: https://support.mozilla.org/en-US/kb/add-or-remove-search-engine-firefox

1. Visit a website that offers an OpenSearch search engine (Brave Search supports it).
2. Right Click on the search bar
3. Select "Add Brave Search"