The edited version has an line as well as well as two SMAs
If you want a detailed look at how I use and DI along with it to enter/exit please see the following video and article
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.