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.
OptionallocaleA language-region identifier according to IANA. Only a subset of those identifiers is accepted.
An optional object for SMS Verification, with default values assumed for all contained values if not provided.