| applicationId | String | Unique identifier of the Identity as a Service Authentication API application | |
| clientIp | String | Provided client IP address. | [optional] |
| deliverOTP | Boolean | Whether to deliver the OTP. If not specified, this defaults to true. | [optional] |
| otpDeliveryType | OtpDeliveryTypeEnum | Defines how a user receives their one-time passcode (Email, Text message (SMS), or Voice message (VOICE)). | [optional] |
| returnOTP | Boolean | Whether to return the OTP. If not specified, this defaults to false. | [optional] |
| transactionDetails | List<TransactionDetail> | Defines transaction details to be associated with the OTP. | [optional] |
| userId | String | User ID (containing the user ID or a user alias) of the Identity as a Service user the OTP is being created for. | |