public sealed class Answer.Types.CitationSource : IMessage<Answer.Types.CitationSource>, IEquatable<Answer.Types.CitationSource>, IDeepCloneable<Answer.Types.CitationSource>, IBufferMessage, IMessage
Reference documentation and code samples for the Discovery Engine v1 API class Answer.Types.CitationSource.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 documentation for the \u003ccode\u003eAnswer.Types.CitationSource\u003c/code\u003e class within the Google Cloud Discovery Engine v1 API.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the \u003ccode\u003eAnswer.Types.CitationSource\u003c/code\u003e class is 1.6.0, with several previous versions available, down to version 1.0.0-beta06.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eCitationSource\u003c/code\u003e 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 from \u003ccode\u003eobject\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe class includes constructors for creating a new \u003ccode\u003eCitationSource\u003c/code\u003e object or copying an existing \u003ccode\u003eCitationSource\u003c/code\u003e object.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eCitationSource\u003c/code\u003e has one property called \u003ccode\u003eReferenceId\u003c/code\u003e that represents the ID of the citation source, and it is a string type.\u003c/p\u003e\n"]]],[],null,["# Discovery Engine v1 API - Class Answer.Types.CitationSource (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.Answer.Types.CitationSource)\n- [1.8.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.8.0/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource)\n- [1.7.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.7.0/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource)\n- [1.6.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.6.0/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource)\n- [1.5.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.5.0/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource)\n- [1.4.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.4.0/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.3.0/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.2.0/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.1.0/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource)\n- [1.0.0-beta06](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.0.0-beta06/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource) \n\n public sealed class Answer.Types.CitationSource : IMessage\u003cAnswer.Types.CitationSource\u003e, IEquatable\u003cAnswer.Types.CitationSource\u003e, IDeepCloneable\u003cAnswer.Types.CitationSource\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1 API class Answer.Types.CitationSource.\n\nCitation source. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e Answer.Types.CitationSource \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[Answer](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer.Types)[CitationSource](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[Answer](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer.Types)[CitationSource](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[Answer](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer.Types)[CitationSource](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer.Types.CitationSource), [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### CitationSource()\n\n public CitationSource()\n\n### CitationSource(CitationSource)\n\n public CitationSource(Answer.Types.CitationSource other)\n\nProperties\n----------\n\n### ReferenceId\n\n public string ReferenceId { get; set; }\n\nID of the citation source."]]
