Here's the link to his IDEA. Go to it, check it out and hit the BOOST button underneath it.
Incase you don't have your copy here is the Heiken Ashi Algo Oscillator i used in this video and a few others ive created tradingview.com/u/CoffeeshopCrypto/
In this video i used what's called "The RSI Formula" read about it here to understand a special trick using the RSI values.