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
specified, the ListVoices call will only return voices that can be used to
synthesize this language_code. E.g. when specifying "en-NZ", you will get
supported "en-*" voices; when specifying "no", you will get supported
"no-*" (Norwegian) and "nb-*" (Norwegian Bokmal) voices; specifying "zh"
will also get supported "cmn-*" voices; specifying "zh-hk" will also get
supported "yue-*" voices.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eThis webpage details the \u003ccode\u003eListVoicesRequest\u003c/code\u003e class, which is the top-level message sent by clients for the \u003ccode\u003eListVoices\u003c/code\u003e method within the Google Cloud Text-to-Speech service.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version documented is 3.10.0, while the current page content focuses on version 2.3.0 of the \u003ccode\u003eListVoicesRequest\u003c/code\u003e within the Google.Cloud.TextToSpeech.V1 namespace.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eListVoicesRequest\u003c/code\u003e class implements several interfaces including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, offering functionalities for message handling, comparison, deep cloning, and buffer operations.\u003c/p\u003e\n"],["\u003cp\u003eIt includes a \u003ccode\u003eLanguageCode\u003c/code\u003e property that uses a BCP-47 language tag to allow filtering voices based on language during the \u003ccode\u003eListVoices\u003c/code\u003e call.\u003c/p\u003e\n"],["\u003cp\u003eThis class offers two constructors: a default constructor \u003ccode\u003eListVoicesRequest()\u003c/code\u003e, and a constructor taking another \u003ccode\u003eListVoicesRequest\u003c/code\u003e object for copying.\u003c/p\u003e\n"]]],[],null,[]]
