public sealed class ConversationMessage : IMessage<ConversationMessage>, IEquatable<ConversationMessage>, IDeepCloneable<ConversationMessage>, IBufferMessage, IMessage
Reference documentation and code samples for the Discovery Engine v1 API class ConversationMessage.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eConversationMessage\u003c/code\u003e class within the Google Cloud Discovery Engine v1 API, with the latest version being 1.6.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConversationMessage\u003c/code\u003e class is defined for managing conversation messages and 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\u003eThe class inherits members from the base \u003ccode\u003eobject\u003c/code\u003e class and has several properties such as \u003ccode\u003eCreateTime\u003c/code\u003e, \u003ccode\u003eMessageCase\u003c/code\u003e, \u003ccode\u003eReply\u003c/code\u003e, and \u003ccode\u003eUserInput\u003c/code\u003e, each serving specific roles.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConversationMessage\u003c/code\u003e class includes two constructors: one default constructor and another that accepts another \u003ccode\u003eConversationMessage\u003c/code\u003e object as a parameter for creating a copy.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConversationMessage\u003c/code\u003e class can track its \u003ccode\u003eCreateTime\u003c/code\u003e, hold either a \u003ccode\u003eReply\u003c/code\u003e or \u003ccode\u003eUserInput\u003c/code\u003e, and has a \u003ccode\u003eMessageCase\u003c/code\u003e property to determine which one it currently is holding.\u003c/p\u003e\n"]]],[],null,["# Discovery Engine v1 API - Class ConversationMessage (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.ConversationMessage)\n- [1.8.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.8.0/Google.Cloud.DiscoveryEngine.V1.ConversationMessage)\n- [1.7.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.7.0/Google.Cloud.DiscoveryEngine.V1.ConversationMessage)\n- [1.6.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.6.0/Google.Cloud.DiscoveryEngine.V1.ConversationMessage)\n- [1.5.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.5.0/Google.Cloud.DiscoveryEngine.V1.ConversationMessage)\n- [1.4.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.4.0/Google.Cloud.DiscoveryEngine.V1.ConversationMessage)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.3.0/Google.Cloud.DiscoveryEngine.V1.ConversationMessage)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.2.0/Google.Cloud.DiscoveryEngine.V1.ConversationMessage)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.1.0/Google.Cloud.DiscoveryEngine.V1.ConversationMessage)\n- [1.0.0-beta06](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.0.0-beta06/Google.Cloud.DiscoveryEngine.V1.ConversationMessage) \n\n public sealed class ConversationMessage : IMessage\u003cConversationMessage\u003e, IEquatable\u003cConversationMessage\u003e, IDeepCloneable\u003cConversationMessage\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1 API class ConversationMessage.\n\nDefines a conversation message. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e ConversationMessage \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[ConversationMessage](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.ConversationMessage), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[ConversationMessage](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.ConversationMessage), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[ConversationMessage](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.ConversationMessage), [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### ConversationMessage()\n\n public ConversationMessage()\n\n### ConversationMessage(ConversationMessage)\n\n public ConversationMessage(ConversationMessage other)\n\nProperties\n----------\n\n### CreateTime\n\n public Timestamp CreateTime { get; set; }\n\nOutput only. Message creation timestamp.\n\n### MessageCase\n\n public ConversationMessage.MessageOneofCase MessageCase { get; }\n\n### Reply\n\n public Reply Reply { get; set; }\n\nSearch reply.\n\n### UserInput\n\n public TextInput UserInput { get; set; }\n\nUser text input."]]
