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How to use script box in query report (on Frappe Cloud)

I need to use the query report on Frappe Cloud and am able to add a custom SQL script to the query field. However, I struggle to find any information how to make the Script text field work.
There is no mentioning of the script field in the docs ( I know that one can specify a .js-Script if self-hosting ERPnext. This is not possible if ERPnext is hosted by Frappe. It seems that this Script field aims to allow some degree of scripting even if hosted on Frappe Cloud. Does anyone know how to use the script box to customize the query report (for e.g. formating, additional calculations etc.)?

Did you find some solution.???