In the settings under Input can be activated individually:
In the settings under Style every single element can be activated as well as the colors and appearance can be adjusted. It is important that under the point Input the fields were activated which are needed.
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.