I would like to set up an indicator which allows the user to select a custom area in the chart and then color the candles within the selected area with a certain brush. I would like to know if you can give advice on how to, once the indicator is loaded, let the user select a rectangular area in the chart in a way internally - from the indicator - I can detect the limits of the box (x and y ranges) so that I can apply the internal logic to color the candles.
Thank you so much in advance!
Cheers
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