:doc:`ServiceResource <index>` / Sub-Resource / MfaDevice

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MfaDevice
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.. py:method:: IAM.ServiceResource.MfaDevice(user_name,serial_number)

  Creates a MfaDevice resource.::

    mfa_device = iam.MfaDevice('user_name','serial_number')

  :type user_name: string
  :param user_name: The MfaDevice's user_name identifier. This **must** be set.
  :type serial_number: string
  :param serial_number: The MfaDevice's serial_number identifier. This **must** be set.
  
  :rtype: :py:class:`IAM.MfaDevice`
  :returns: A MfaDevice resource
  