public sealed class SynthesisInput : IMessage<SynthesisInput>, IEquatable<SynthesisInput>, IDeepCloneable<SynthesisInput>, IBufferMessage, IMessage
Reference documentation and code samples for the Google Cloud Text-to-Speech v1 API class SynthesisInput.
Contains text input to be synthesized. Either text or ssml must be
supplied. Supplying both or neither returns
[google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT]. The
input size is limited to 5000 bytes.
The SSML document to be synthesized. The SSML document must be valid
and well-formed. Otherwise the RPC will fail and return
[google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT]. For
more information, see
SSML.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 document provides reference information for the \u003ccode\u003eSynthesisInput\u003c/code\u003e class within the Google Cloud Text-to-Speech v1 API, specifically version 3.5.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eSynthesisInput\u003c/code\u003e class, found in the \u003ccode\u003eGoogle.Cloud.TextToSpeech.V1\u003c/code\u003e namespace, is used to supply text for the text-to-speech process, and either plain \u003ccode\u003etext\u003c/code\u003e or \u003ccode\u003essml\u003c/code\u003e formatted text can be supplied.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eSynthesisInput\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, and inherits members from \u003ccode\u003eobject\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eSynthesisInput\u003c/code\u003e class offers properties like \u003ccode\u003eHasSsml\u003c/code\u003e, \u003ccode\u003eHasText\u003c/code\u003e, \u003ccode\u003eInputSourceCase\u003c/code\u003e, \u003ccode\u003eSsml\u003c/code\u003e, and \u003ccode\u003eText\u003c/code\u003e, to manage input data and its format.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available for reference is 3.10.0, and there are multiple other versions available, from 3.9.0 down to 2.2.0.\u003c/p\u003e\n"]]],[],null,[]]
