Values.VoiceSettingsSourceDefines settings for using an Amazon Polly voice to communicate with a user. Valid values include: standard neural long-form generative
type nonrec t = {engine : VoiceEngine.t option;Indicates the type of Amazon Polly voice that Amazon Lex should use for voice interaction with the user. For more information, see the engine parameter of the SynthesizeSpeech operation in the Amazon Polly developer guide. If you do not specify a value, the default is standard.
*)voiceId : VoiceId.t;The identifier of the Amazon Polly voice to use.
*)}