[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 documentation covers the \u003ccode\u003eLink\u003c/code\u003e class within the Data Lineage v1 API, used to represent data flow between source and target assets in transformation pipelines.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eLink\u003c/code\u003e class is part of the \u003ccode\u003eGoogle.Cloud.DataCatalog.Lineage.V1\u003c/code\u003e namespace and has a latest version of 1.4.0, and several other versions available, as shown by the list of versioned links.\u003c/p\u003e\n"],["\u003cp\u003eLinks are created when \u003ccode\u003eLineageEvents\u003c/code\u003e indicate data transformation between assets, and each link has a name, source, target, start time, and end time.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eLink\u003c/code\u003e class 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 \u003ccode\u003eLink\u003c/code\u003e class contains two constructors: \u003ccode\u003eLink()\u003c/code\u003e and \u003ccode\u003eLink(Link other)\u003c/code\u003e allowing for easy object instantiation.\u003c/p\u003e\n"]]],[],null,["# Data Lineage v1 API - Class Link (1.4.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.4.0 (latest)](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/latest/Google.Cloud.DataCatalog.Lineage.V1.Link)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/1.3.0/Google.Cloud.DataCatalog.Lineage.V1.Link)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/1.2.0/Google.Cloud.DataCatalog.Lineage.V1.Link)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/1.1.0/Google.Cloud.DataCatalog.Lineage.V1.Link)\n- [1.0.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/1.0.0/Google.Cloud.DataCatalog.Lineage.V1.Link) \n\n public sealed class Link : IMessage\u003cLink\u003e, IEquatable\u003cLink\u003e, IDeepCloneable\u003cLink\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Data Lineage v1 API class Link.\n\nLinks represent the data flow between **source** (upstream)\nand **target** (downstream) assets in transformation pipelines.\n\nLinks are created when LineageEvents record data transformation between\nrelated assets. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e Link \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[Link](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/latest/Google.Cloud.DataCatalog.Lineage.V1.Link), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[Link](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/latest/Google.Cloud.DataCatalog.Lineage.V1.Link), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[Link](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/latest/Google.Cloud.DataCatalog.Lineage.V1.Link), [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.DataCatalog.Lineage.V1](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/latest/Google.Cloud.DataCatalog.Lineage.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.DataCatalog.Lineage.V1.dll\n\nConstructors\n------------\n\n### Link()\n\n public Link()\n\n### Link(Link)\n\n public Link(Link other)\n\nProperties\n----------\n\n### EndTime\n\n public Timestamp EndTime { get; set; }\n\nThe end of the last event establishing this link.\n\n### Name\n\n public string Name { get; set; }\n\nOutput only. Immutable. The name of the link. Format:\n`projects/{project}/locations/{location}/links/{link}`.\n\n### Source\n\n public EntityReference Source { get; set; }\n\nThe pointer to the entity that is the **source** of this link.\n\n### StartTime\n\n public Timestamp StartTime { get; set; }\n\nThe start of the first event establishing this link.\n\n### Target\n\n public EntityReference Target { get; set; }\n\nThe pointer to the entity that is the **target** of this link."]]