| challenge | String | The registration challenge generated by Identity as a Service. This is a base-64 encoded value. | [optional] |
| registeredCredentials | List<String> | The IDs of FIDO tokens already registered to this user. These values are base-64 encoded. | [optional] |
| registeredCredentialsNames | List<String> | The names of FIDO tokens already registered to this user. | [optional] |
| registrationAuthenticatorAttachment | RegistrationAuthenticatorAttachmentEnum | Should the token be embedded on the device or stored externally? | [optional] |
| registrationRequireResidentKey | RegistrationRequireResidentKeyEnum | Should the User ID be stored on the Passkey/FIDO2 token? | [optional] |
| registrationUserVerification | RegistrationUserVerificationEnum | Should the token perform user verification? | [optional] |
| rpName | String | The name of this relying party. This is the name of the Identity as a Service account. | [optional] |
| timeout | Integer | The number of seconds that the client will wait for the FIDO token to respond. This field is deprecated, use 'timeoutMillis' instead. | [optional] |
| timeoutMillis | Integer | The time in milliseconds that the client will wait for the FIDO token to respond. | [optional] |
| userDisplayName | String | The display name of this user. It will be 'firstname lastname' of the user | [optional] |
| userId | String | The id of this user. It will be UUID of the user base-64 encoded. | [optional] |
| userName | String | The name of this user. It will be the userId of the user. | [optional] |