It detects and patterns.
After detecting the patterns I've said, it mentions that the pattern is going to continue its direction to up or down.
But remember patterns don't determine targets and it's possible that predicted directions fail.
So use it carefully and enjoy it!
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.