I also wrote on the screen

I need to be able to select any date while downloading. If I choose November 5 (he should upload files to me from October 1 to October 31 last month)

You need then to have a Date variable as an input of your action, let's call it DateInput in this example.

Your BeginDate should be:

AddMonths(NewDate(Year(DateInput), Month(DateInput), 1),-1)

Your EndDate should be:

AddDays(NewDate(Year(DateInput), Month(DateInput), 1), -1)

Cheers,
João

There is no download button on another module, you just need to upload on any date.

Let's say today is November 10, I just click download and he downloaded the files for the last month, or even tomorrow, November 11, I clicked download - the program should download the files for the last month.

Can't enter date