Passage: Selenium IDE is a complete integrated development environment (IDE) for Selenium tests. It is implemented as a Firefox Add-On and as a Chrome Extension. It allows for recording, editing, and debugging of functional tests. It was previously known as Selenium Recorder. Selenium-IDE was originally created by Shinya Kasatani and donated to the Selenium project in 2006. Selenium IDE was previously little-maintained. Selenium IDE began being actively maintained in 2018.Scripts may be automatically recorded and edited manually providing autocompletion support and the ability to move commands around quickly.

Question: What can it do for functional test?
recording, editing, and debugging