I'm trying to send xml string as a .xml file to server but I unable to find any solution for that. Can someone please tell me how to do that?

I tried this but didn't worked

const xml = "<Session>
    <TestTargetTagSession>TestSession</TestTargetTagSession>
  </Session>"
 const formData = new FormData();
    formData.append('file', {
      file: xml,
      type: 'xml',
      name: 'demo.xml',
    });

Please help