open fun sendValidationCode(@NonNull clientId: String, @NonNull identifier: String, @NonNull connection: String, @NonNull locale: Locale): Call<PasswordlessToken!>!
Requests a code to be sent to an identifier.
clientId - String: The client id of the app.
identifier - String: The identifier to sent the auth code to.
connection - String: The connection type with the identifier.
locale - Locale: The locale to use for the message containing the code.