public sealed class BatchGetDocumentsMetadataResponse.Types.DocumentMetadata : IMessage<BatchGetDocumentsMetadataResponse.Types.DocumentMetadata>, IEquatable<BatchGetDocumentsMetadataResponse.Types.DocumentMetadata>, IDeepCloneable<BatchGetDocumentsMetadataResponse.Types.DocumentMetadata>, IBufferMessage, IMessage
Reference documentation and code samples for the Discovery Engine v1beta API class BatchGetDocumentsMetadataResponse.Types.DocumentMetadata.
The metadata of a [Document][google.cloud.discoveryengine.v1beta.Document].
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eBatchGetDocumentsMetadataResponse.Types.DocumentMetadata\u003c/code\u003e class within the Google Cloud Discovery Engine v1beta API.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDocumentMetadata\u003c/code\u003e class represents metadata associated with a specific document, as defined within the Discovery Engine.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of \u003ccode\u003eDocumentMetadata\u003c/code\u003e include \u003ccode\u003eDataIngestionSource\u003c/code\u003e, \u003ccode\u003eLastRefreshedTime\u003c/code\u003e, \u003ccode\u003eMatcherValue\u003c/code\u003e, and \u003ccode\u003eState\u003c/code\u003e, which describe how the document was ingested, its indexing timestamp, matching criteria, and its current state respectively.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDocumentMetadata\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, and is part of the \u003ccode\u003eGoogle.Cloud.DiscoveryEngine.V1Beta\u003c/code\u003e namespace.\u003c/p\u003e\n"]]],[],null,["# Discovery Engine v1beta API - Class BatchGetDocumentsMetadataResponse.Types.DocumentMetadata (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.BatchGetDocumentsMetadataResponse.Types.DocumentMetadata)\n- [1.0.0-beta18](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/1.0.0-beta18/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse.Types.DocumentMetadata) \n\n public sealed class BatchGetDocumentsMetadataResponse.Types.DocumentMetadata : IMessage\u003cBatchGetDocumentsMetadataResponse.Types.DocumentMetadata\u003e, IEquatable\u003cBatchGetDocumentsMetadataResponse.Types.DocumentMetadata\u003e, IDeepCloneable\u003cBatchGetDocumentsMetadataResponse.Types.DocumentMetadata\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1beta API class BatchGetDocumentsMetadataResponse.Types.DocumentMetadata.\n\nThe metadata of a \\[Document\\]\\[google.cloud.discoveryengine.v1beta.Document\\]. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e BatchGetDocumentsMetadataResponse.Types.DocumentMetadata \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[BatchGetDocumentsMetadataResponse](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse.Types)[DocumentMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse.Types.DocumentMetadata), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[BatchGetDocumentsMetadataResponse](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse.Types)[DocumentMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse.Types.DocumentMetadata), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[BatchGetDocumentsMetadataResponse](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse.Types)[DocumentMetadata](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BatchGetDocumentsMetadataResponse.Types.DocumentMetadata), [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### DocumentMetadata()\n\n public DocumentMetadata()\n\n### DocumentMetadata(DocumentMetadata)\n\n public DocumentMetadata(BatchGetDocumentsMetadataResponse.Types.DocumentMetadata other)\n\nProperties\n----------\n\n### DataIngestionSource\n\n public string DataIngestionSource { get; set; }\n\nThe data ingestion source of the\n\\[Document\\]\\[google.cloud.discoveryengine.v1beta.Document\\].\n\nAllowed values are:\n\n- `batch`: Data ingested via Batch API, e.g., ImportDocuments.\n- `streaming` Data ingested via Streaming API, e.g., FHIR streaming.\n\n### LastRefreshedTime\n\n public Timestamp LastRefreshedTime { get; set; }\n\nThe timestamp of the last time the\n\\[Document\\]\\[google.cloud.discoveryengine.v1beta.Document\\] was last\nindexed.\n\n### MatcherValue\n\n public BatchGetDocumentsMetadataResponse.Types.DocumentMetadata.Types.MatcherValue MatcherValue { get; set; }\n\nThe value of the matcher that was used to match the\n\\[Document\\]\\[google.cloud.discoveryengine.v1beta.Document\\].\n\n### State\n\n public BatchGetDocumentsMetadataResponse.Types.State State { get; set; }\n\nThe state of the document."]]
