Gets and sets the property SerialNumber.

The identification number of the MFA device that is associated with the user who is making the

call. Specify this value if the trust policy of the role being assumed includes a condition that requires MFA authentication. The value is either the serial number for a hardware device (such as

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GAHT12345678

) or an Amazon Resource Name (ARN) for a virtual device (such as

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arn:aws:iam::123456789012:mfa/user

).

public string SerialNumber { get; set; }