Jared Wesley is one of the more notable traders that use this setup. There will be a label placed on the chart when a play occurs. You can edit as an input the igniting bar size, the body percentage of the igniting bar, and the relative equality of the 2nd (and 3rd bar for 4 bar play) compared to the igniting bar.
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.