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 v1beta 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 v1beta API, specifically for version \u003ccode\u003e1.0.0-beta18\u003c/code\u003e which is the latest version available.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRetrievalMetadata\u003c/code\u003e class describes the metadata associated with a retrieval step in the \u003ccode\u003eGenerateGroundedContentResponse\u003c/code\u003e, and it inherits from the base \u003ccode\u003eobject\u003c/code\u003e class while implementing several interfaces such as \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, and \u003ccode\u003eIDeepCloneable\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThis class includes properties for \u003ccode\u003eDynamicRetrievalMetadata\u003c/code\u003e, which is used for dynamic retrieval operations, and \u003ccode\u003eSource\u003c/code\u003e which is used to define the source of the metadata, both of these properties have their own respective classes as their data type.\u003c/p\u003e\n"],["\u003cp\u003eThere are two constructors provided for \u003ccode\u003eRetrievalMetadata\u003c/code\u003e, one is a default constructor, and the second accepts another \u003ccode\u003eRetrievalMetadata\u003c/code\u003e object as a parameter, to copy over information.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRetrievalMetadata\u003c/code\u003e class is found within the \u003ccode\u003eGoogle.Cloud.DiscoveryEngine.V1Beta\u003c/code\u003e namespace and is part of the \u003ccode\u003eGoogle.Cloud.DiscoveryEngine.V1Beta.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"]]],[],null,["# Discovery Engine v1beta API - Class GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata (1.0.0-beta19)\n\nVersion latestkeyboard_arrow_down\n\n- [1.0.0-beta19 (latest)](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata)\n- [1.0.0-beta18](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/1.0.0-beta18/Google.Cloud.DiscoveryEngine.V1Beta.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 v1beta 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.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types)[Candidate](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types)[GroundingMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types)[RetrievalMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types.RetrievalMetadata), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[GenerateGroundedContentResponse](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types)[Candidate](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types)[GroundingMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types)[RetrievalMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.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.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types)[Candidate](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types)[GroundingMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.GenerateGroundedContentResponse.Types.Candidate.Types.GroundingMetadata.Types)[RetrievalMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.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.V1Beta](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta)\n\nAssembly\n--------\n\nGoogle.Cloud.DiscoveryEngine.V1Beta.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."]]
