How do you export file from Gadget2 to Garage?

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Hello everybody.
I work on Ipad 10.2, with IOS 13.3.
Do you know how to transfer a data from Gadget 2 to Garage Band? Is it possible to that in midi format or do I have to do the data transfer in audio format? If yes, how could I do it?
Do I need another app? I downloaded AudioCopy but I don`t know how to do the transfer from Gadget 2 to Garage.