The project ID that contains the Bigtable source. Has a length limit of 128
characters. If not specified, inherits the project ID from the parent
request.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eThe \u003ccode\u003eBigtableSource\u003c/code\u003e class in the Google Cloud Discovery Engine v1beta API represents a source for importing data from Cloud Bigtable.\u003c/p\u003e\n"],["\u003cp\u003eIt 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, enabling functionality such as message handling, equality comparisons, and deep cloning.\u003c/p\u003e\n"],["\u003cp\u003eThe class provides constructors for creating a new \u003ccode\u003eBigtableSource\u003c/code\u003e object, either empty or by copying data from an existing \u003ccode\u003eBigtableSource\u003c/code\u003e instance.\u003c/p\u003e\n"],["\u003cp\u003eKey properties include \u003ccode\u003eBigtableOptions\u003c/code\u003e for specifying parsing details, \u003ccode\u003eInstanceId\u003c/code\u003e and \u003ccode\u003eTableId\u003c/code\u003e to identify the target Bigtable instance and table, and \u003ccode\u003eProjectId\u003c/code\u003e to define the associated Google Cloud project.\u003c/p\u003e\n"],["\u003cp\u003eThis class is located within the \u003ccode\u003eGoogle.Cloud.DiscoveryEngine.V1Beta\u003c/code\u003e namespace and is contained within the \u003ccode\u003eGoogle.Cloud.DiscoveryEngine.V1Beta.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"]]],[],null,["# Discovery Engine v1beta API - Class BigtableSource (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.BigtableSource)\n- [1.0.0-beta18](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/1.0.0-beta18/Google.Cloud.DiscoveryEngine.V1Beta.BigtableSource) \n\n public sealed class BigtableSource : IMessage\u003cBigtableSource\u003e, IEquatable\u003cBigtableSource\u003e, IDeepCloneable\u003cBigtableSource\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1beta API class BigtableSource.\n\nThe Cloud Bigtable source for importing data. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e BigtableSource \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[BigtableSource](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BigtableSource), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[BigtableSource](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BigtableSource), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[BigtableSource](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.BigtableSource), [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### BigtableSource()\n\n public BigtableSource()\n\n### BigtableSource(BigtableSource)\n\n public BigtableSource(BigtableSource other)\n\nProperties\n----------\n\n### BigtableOptions\n\n public BigtableOptions BigtableOptions { get; set; }\n\nRequired. Bigtable options that contains information needed when parsing\ndata into typed structures. For example, column type annotations.\n\n### InstanceId\n\n public string InstanceId { get; set; }\n\nRequired. The instance ID of the Cloud Bigtable that needs to be imported.\n\n### ProjectId\n\n public string ProjectId { get; set; }\n\nThe project ID that contains the Bigtable source. Has a length limit of 128\ncharacters. If not specified, inherits the project ID from the parent\nrequest.\n\n### TableId\n\n public string TableId { get; set; }\n\nRequired. The table ID of the Cloud Bigtable that needs to be imported."]]