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.
This is a very simple tool I created for historical analysis. Its intent is to simply draw a box from the current date to a month/year that you specify. Maybe you will have some other uses for it