public sealed class GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata : IMessage<GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata>, IEquatable<GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata>, IDeepCloneable<GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata>, IBufferMessage, IMessage
Reference documentation and code samples for the Discovery Engine v1 API class GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata.
Describes the metadata associated with a retrieval step.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eRetrievalMetadata\u003c/code\u003e class within the Google Cloud Discovery Engine v1 API, specifically for the \u003ccode\u003eGenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types\u003c/code\u003e namespace.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRetrievalMetadata\u003c/code\u003e class is used to describe metadata associated with a retrieval step and is part of the \u003ccode\u003eGoogle.Cloud.DiscoveryEngine.V1\u003c/code\u003e assembly.\u003c/p\u003e\n"],["\u003cp\u003eThe document details the inheritance, implementations, constructors, and properties of the \u003ccode\u003eRetrievalMetadata\u003c/code\u003e class, including \u003ccode\u003eDynamicRetrievalMetadata\u003c/code\u003e and \u003ccode\u003eSource\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eSeven versions of the API documentation are listed, ranging from version 1.0.0-beta06 to the latest version 1.6.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRetrievalMetadata\u003c/code\u003e class inherits from \u003ccode\u003eobject\u003c/code\u003e and implements \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e interfaces, with the documentation also covering inherited members.\u003c/p\u003e\n"]]],[],null,["# Discovery Engine v1 API - Class GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata (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.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.8.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.8.0/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.7.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.7.0/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.6.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.6.0/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.5.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.5.0/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.4.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.4.0/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.3.0/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.2.0/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.1.0/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.0.0-beta06](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.0.0-beta06/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata) \n\n public sealed class GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata : IMessage\u003cGenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata\u003e, IEquatable\u003cGenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata\u003e, IDeepCloneable\u003cGenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1 API class GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata.\n\nDescribes the metadata associated with a retrieval step. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[GenerateGroundedContentResponse](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types)[Candidate](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types)[GroundingMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types)[RetrievalMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[GenerateGroundedContentResponse](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types)[Candidate](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types)[GroundingMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types)[RetrievalMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[GenerateGroundedContentResponse](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types)[Candidate](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types)[GroundingMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types)[RetrievalMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata), [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### RetrievalMetadata()\n\n public RetrievalMetadata()\n\n### RetrievalMetadata(RetrievalMetadata)\n\n public RetrievalMetadata(GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata other)\n\nProperties\n----------\n\n### DynamicRetrievalMetadata\n\n public GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.DynamicRetrievalMetadata DynamicRetrievalMetadata { get; set; }\n\nMetadata for dynamic retrieval.\n\n### Source\n\n public GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata.Types.Source Source { get; set; }\n\nDescribes the source to which the metadata is referring to."]]
