hello how to create a button to send a .csv or .txt file created by the inventor app on the cell phone to an ftp://
There is no built-in ftp functionality in AppInventor.
You will need an ftp extension, of which there are a few, depending on your needs (ftp/ftps/sftp...)
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Hello Joao
You will need an extension to ftp your file:
hello thank you for your attention
you would have the url:// to download the extension to add it to the project in the import and export extensions part
It will be a paid extension. Follow the instructions to contact the extension developer in order to make payment.