-- | The value provided by the MFA device, if MFA is required. If any policy
-- requires the IAM user to submit an MFA code, specify this value. If MFA
-- authentication is required, and the user does not provide a code when
-- requesting a set of temporary security credentials, the user will
-- receive an \"access denied\" response when requesting resources that
-- require MFA authentication.
gstTokenCode :: Lens' GetSessionToken (Maybe Text)
gstTokenCode = lens _gstTokenCode (\ s a -> s{_gstTokenCode = a})
gstTokenCode :: Lens' GetSessionToken (Maybe Text)
gstTokenCode = lens _gstTokenCode (\ s a -> s{_gstTokenCode = a})
gstTokenCode = lens _gstTokenCode (\ s a -> s{_gstTokenCode = a})