def attachment_field(method, options = {})
      render(partial:"admin/shared/forms/attachment_field", locals: {
        f: self,
        method: method,
        options: options,
      })
    end
def attachment_field(method, options = {})
      render(partial:"admin/shared/forms/attachment_field", locals: {
        f: self,
        method: method,
        options: options,
      })
    end
Returns a file upload field with a more pleasant interface than browser
 file inputs. Changes messaging if the `method` already exists.
 Options are forwarded to the hidden `file_field`.