load(
  local!doc: todocument(52907),/*destination document to override*/
  local!abc: local!doc,
a!formLayout(
  firstColumnContents: {
    a!fileUploadField(
      label: "Upload File",
      target: local!doc,
      value: local!abc,
      saveInto: local!abc
    )
  },
  buttons: a!buttonLayout(
    primaryButtons :{
      a!buttonWidgetSubmit(
        label: "Submit"
      )
    }
  )
))