public sealed class EntityReference : IMessage<EntityReference>, IEquatable<EntityReference>, IDeepCloneable<EntityReference>, IBufferMessage, IMessage
Reference documentation and code samples for the Data Lineage v1 API class EntityReference.
The soft reference to everything you can attach a lineage event to.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 latest version of the \u003ccode\u003eEntityReference\u003c/code\u003e class within the Data Lineage v1 API is 1.4.0, with older versions available dating back to 1.0.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eEntityReference\u003c/code\u003e class is a soft reference used to attach lineage events to entities, and it implements multiple interfaces such as \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\u003eThis class inherits from \u003ccode\u003eobject\u003c/code\u003e and has two constructors: a default constructor, and one that accepts another \u003ccode\u003eEntityReference\u003c/code\u003e object as a parameter.\u003c/p\u003e\n"],["\u003cp\u003eA key property of \u003ccode\u003eEntityReference\u003c/code\u003e is \u003ccode\u003eFullyQualifiedName\u003c/code\u003e, which is a required string representing the fully qualified name of the entity.\u003c/p\u003e\n"]]],[],null,["# Data Lineage v1 API - Class EntityReference (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.EntityReference)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/1.3.0/Google.Cloud.DataCatalog.Lineage.V1.EntityReference)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/1.2.0/Google.Cloud.DataCatalog.Lineage.V1.EntityReference)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/1.1.0/Google.Cloud.DataCatalog.Lineage.V1.EntityReference)\n- [1.0.0](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/1.0.0/Google.Cloud.DataCatalog.Lineage.V1.EntityReference) \n\n public sealed class EntityReference : IMessage\u003cEntityReference\u003e, IEquatable\u003cEntityReference\u003e, IDeepCloneable\u003cEntityReference\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Data Lineage v1 API class EntityReference.\n\nThe soft reference to everything you can attach a lineage event to. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e EntityReference \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[EntityReference](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/latest/Google.Cloud.DataCatalog.Lineage.V1.EntityReference), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[EntityReference](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/latest/Google.Cloud.DataCatalog.Lineage.V1.EntityReference), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[EntityReference](/dotnet/docs/reference/Google.Cloud.DataCatalog.Lineage.V1/latest/Google.Cloud.DataCatalog.Lineage.V1.EntityReference), [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### EntityReference()\n\n public EntityReference()\n\n### EntityReference(EntityReference)\n\n public EntityReference(EntityReference other)\n\nProperties\n----------\n\n### FullyQualifiedName\n\n public string FullyQualifiedName { get; set; }\n\nRequired. [Fully Qualified Name\n(FQN)](https://cloud.google.com/data-catalog/docs/fully-qualified-names)\nof the entity."]]