public sealed class ListVoicesRequest : IMessage<ListVoicesRequest>, IEquatable<ListVoicesRequest>, IDeepCloneable<ListVoicesRequest>, IBufferMessage, IMessage
The top-level message sent by the client for the ListVoices method.
Optional. Recommended.
BCP-47 language tag.
If not specified, the API will return all supported voices.
If specified, the ListVoices call will only return voices that can be used
to synthesize this language_code. For example, if you specify "en-NZ",
all "en-NZ" voices will be returned. If you specify "no", both
"no-\*" (Norwegian) and "nb-\*" (Norwegian Bokmal) voices will be
returned.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eListVoicesRequest\u003c/code\u003e class is the primary message type used by clients to interact with the \u003ccode\u003eListVoices\u003c/code\u003e method for text-to-speech operations, and it is found within the \u003ccode\u003eGoogle.Cloud.TextToSpeech.V1Beta1\u003c/code\u003e namespace.\u003c/p\u003e\n"],["\u003cp\u003eThis class implements several interfaces, including \u003ccode\u003eIMessage<ListVoicesRequest>\u003c/code\u003e, \u003ccode\u003eIEquatable<ListVoicesRequest>\u003c/code\u003e, \u003ccode\u003eIDeepCloneable<ListVoicesRequest>\u003c/code\u003e, \u003ccode\u003eIBufferMessage\u003c/code\u003e, and \u003ccode\u003eIMessage\u003c/code\u003e, extending its functionality.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eListVoicesRequest\u003c/code\u003e class offers two constructors: a default constructor and one that allows for the creation of a copy from an existing \u003ccode\u003eListVoicesRequest\u003c/code\u003e instance.\u003c/p\u003e\n"],["\u003cp\u003eIt contains a \u003ccode\u003eLanguageCode\u003c/code\u003e property, which is an optional string field that allows filtering of the returned voices by a specified BCP-47 language tag.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available for this class is \u003ccode\u003e2.0.0-beta12\u003c/code\u003e, while the documentation provided relates to version \u003ccode\u003e1.0.0-beta04\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
