public sealed class SynthesisInput : IMessage<SynthesisInput>, IEquatable<SynthesisInput>, IDeepCloneable<SynthesisInput>, IBufferMessage, IMessage
Contains text input to be synthesized. Either text or ssml must be
supplied. Supplying both or neither returns
[google.rpc.Code.INVALID_ARGUMENT][]. The input size is limited to 5000
characters.
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][]. 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 webpage details the \u003ccode\u003eSynthesisInput\u003c/code\u003e class, part of the Google Cloud Text-to-Speech V1 library, specifically version 2.2.0, with links to other previous versions.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eSynthesisInput\u003c/code\u003e is a class used to provide text input for speech synthesis, supporting either raw text or SSML, with the requirement that either \u003ccode\u003etext\u003c/code\u003e or \u003ccode\u003essml\u003c/code\u003e is supplied, not both or neither.\u003c/p\u003e\n"],["\u003cp\u003eThe maximum input size for text or SSML in \u003ccode\u003eSynthesisInput\u003c/code\u003e is 5000 characters.\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.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eSynthesisInput\u003c/code\u003e class provides two constructors to create a new instance, and includes two properties, \u003ccode\u003eSsml\u003c/code\u003e and \u003ccode\u003eText\u003c/code\u003e, to set the desired input value.\u003c/p\u003e\n"]]],[],null,[]]
