This class can be used to get information about the Session Verification

global Id authenticatorId;

The Id of the Authenticator which was used for this verification

global Datetime expirationTime;

The Datetime when the current verification will expire. If the value is null, it means that the verification will expire when the current Salesforce Session expires.

global Datetime lastVerificationTime;

The Datetime of the last verification event using the authenticatorId

global String[] amrs;

The list of AMRs which was satisfied during the last verification event.

global String requestId;

The identifier of the request when the verification was last made.