public sealed class AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec : IMessage<AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec>, IEquatable<AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec>, IDeepCloneable<AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec>, IBufferMessage, IMessage
Reference documentation and code samples for the Discovery Engine v1 API class AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003ePromptSpec\u003c/code\u003e class within the Google Cloud Discovery Engine v1 API.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003ePromptSpec\u003c/code\u003e is used for specifying prompts in answer generation within the \u003ccode\u003eAnswerQueryRequest\u003c/code\u003e context and is part of the \u003ccode\u003eAnswerGenerationSpec\u003c/code\u003e functionality.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the \u003ccode\u003ePromptSpec\u003c/code\u003e class is 1.6.0, and older versions, such as 1.5.0, 1.4.0, 1.3.0, 1.2.0, 1.1.0 and 1.0.0-beta06, are also documented.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003ePromptSpec\u003c/code\u003e implements multiple interfaces including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, and has two constructors.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePreamble\u003c/code\u003e property allows for the customization of the preamble section, and it is a string type.\u003c/p\u003e\n"]]],[],null,["# Discovery Engine v1 API - Class AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec (1.9.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.9.0 (latest)](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.8.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.8.0/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.7.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.7.0/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.6.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.6.0/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.5.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.5.0/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.4.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.4.0/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.3.0/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.2.0/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.1.0/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec)\n- [1.0.0-beta06](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.0.0-beta06/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec) \n\n public sealed class AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec : IMessage\u003cAnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec\u003e, IEquatable\u003cAnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec\u003e, IDeepCloneable\u003cAnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1 API class AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec.\n\nAnswer generation prompt specification. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[AnswerQueryRequest](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types)[AnswerGenerationSpec](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types)[PromptSpec](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[AnswerQueryRequest](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types)[AnswerGenerationSpec](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types)[PromptSpec](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[AnswerQueryRequest](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types)[AnswerGenerationSpec](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types)[PromptSpec](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.DiscoveryEngine.V1](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.DiscoveryEngine.V1.dll\n\nConstructors\n------------\n\n### PromptSpec()\n\n public PromptSpec()\n\n### PromptSpec(PromptSpec)\n\n public PromptSpec(AnswerQueryRequest.Types.AnswerGenerationSpec.Types.PromptSpec other)\n\nProperties\n----------\n\n### Preamble\n\n public string Preamble { get; set; }\n\nCustomized preamble."]]
