get Authentication Sub Type
Parameters
The sub type of login authentication method used by a user. For authentication_sub_type ensure attributes mentioned in dictionary below are set to corresponding values only. authentication_sub_type is an enum value with the following mapping with authentication_type attribute: * authentication_sub_type : authentication_type * ------------------------------------------------------------------------------- * EMAIL : CREDENTIALS * EMAIL : PASSWORD_RESET * EMAIL : SINGLE_SIGN_ON * EMAIL : MULTI_FACTOR_AUTHENTICATION * PHONE : MULTI_FACTOR_AUTHENTICATION * GOOGLE : SOCIAL * FACEBOOK : SOCIAL * APPLE : SOCIAL * : CREDENTIALS