OptionalacceptOptionalcodeThe SMS OTP that should be used. By default, the Sinch dashboard will automatically generate OTP codes for SMS verification. If you want to set your own OTP, you can specify it in the response to the Verification Request Event.
OptionalcodeAccepted values for the type of code to be generated are Numeric, Alpha, and Alphanumeric. Default is Numeric.
OptionalexpiryThe expiration time for a verification process is represented in the format HH:MM:SS.
List of strings