wolfram cloud - Upload a file using a WolframCloud WebForm

I tried to create a Webform in WolframCloud that asks/browses for a file and then uploads it to a specific folder. The following are the directions I investigated but it does not work:

CloudDeploy @
FormFunction[
"fname" -> "String", 
  Module[{st1, st2},

    st1 = "E:\\math9\\Personal Lessons\\" <> #fname <> ".xls";
    st2 = #fname <> ".xls";
    {st1, st2, CopyFile[st1, CloudObject[st2]]}
    ] &
  ]

I also tried directions like this:

CloudDeploy @
 FormFunction[
  "fname" -> Interpreter[Restricted["UploadedFile", "XLS"]],

  {#fname}
  ]

but it looks this does not work because it always produces the following error: enter image description here

The function isn't even evaluated. Can anybody help on how to do this or state that it is not yet possible in the WolframCloud?

Kind regards

Comments

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