This is helpful when you have alerts to be triggered on every candle, but the number of alerts causes errors if they are all executed at once.
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.