function doGet() {
  return HtmlService.createHtmlOutputFromFile('Form.html');
}

function upload(e) { 
    
  try {
    
     // Folder ID of destination folder
     var destination_id = '16-9aR67D6HlSnQR9Nf_1CuV-Qz1CzB9C';
    
    // Converting files to image/jpeg.
    // You can use 'application/pdf', 'image/bmp', 'image/gif', 'image/jpeg' and 'image/png'.   
    var contentType = 'image/jpeg'; 
    
    var img = e.imageFile;

    var destination = DriveApp.getFolderById(destination_id);
    // var img = img.getAs(contentType); // for: CommConverting files and save as image/jpeg.
    destination.createFile(img);
    
    return "File Uploaded Successfully!";
    
  } catch (m) {
  return m.toString();
  }
  
}