public sealed class Key.Types.PathElement : IMessage<Key.Types.PathElement>, IEquatable<Key.Types.PathElement>, IDeepCloneable<Key.Types.PathElement>, IBufferMessage, IMessage
Reference documentation and code samples for the Google Cloud Datastore v1 API class Key.Types.PathElement.
A (kind, ID/name) pair used to construct a key path.
If either name or ID is set, the element is complete.
If neither is set, the element is incomplete.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version of the \u003ccode\u003eKey.Types.PathElement\u003c/code\u003e class in the Google Cloud Datastore v1 API is 4.15.0.\u003c/p\u003e\n"],["\u003cp\u003eThis class is used to define a (kind, ID/name) pair that forms part of a key path for an entity in the Datastore.\u003c/p\u003e\n"],["\u003cp\u003eA \u003ccode\u003ePathElement\u003c/code\u003e can be either complete, if a name or ID is set, or incomplete, if neither is set.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePathElement\u003c/code\u003e class offers constructors to create path elements with either a kind and ID, or a kind and name, and it can retrieve a path element by copy using the \u003ccode\u003ePathElement(PathElement)\u003c/code\u003e constructor.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePathElement\u003c/code\u003e class offers the following properties: \u003ccode\u003eHasId\u003c/code\u003e, \u003ccode\u003eHasName\u003c/code\u003e, \u003ccode\u003eId\u003c/code\u003e, \u003ccode\u003eIdTypeCase\u003c/code\u003e, \u003ccode\u003eKind\u003c/code\u003e, and \u003ccode\u003eName\u003c/code\u003e, with \u003ccode\u003eId\u003c/code\u003e and \u003ccode\u003eName\u003c/code\u003e being mutually exclusive, and the \u003ccode\u003eKind\u003c/code\u003e being mandatory.\u003c/p\u003e\n"]]],[],null,["# Google Cloud Datastore v1 API - Class Key.Types.PathElement (4.15.0)\n\nVersion latestkeyboard_arrow_down\n\n- [4.15.0 (latest)](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.14.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.14.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.13.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.13.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.12.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.12.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.11.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.11.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.10.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.10.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.9.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.9.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.8.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.8.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.7.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.7.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.6.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.6.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.5.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.5.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.4.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.4.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.3.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.3.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.2.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.2.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.1.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.1.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [4.0.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/4.0.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [3.5.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/3.5.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [3.4.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/3.4.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [3.3.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/3.3.0/Google.Cloud.Datastore.V1.Key.Types.PathElement)\n- [3.2.0](/dotnet/docs/reference/Google.Cloud.Datastore.V1/3.2.0/Google.Cloud.Datastore.V1.Key.Types.PathElement) \n\n public sealed class Key.Types.PathElement : IMessage\u003cKey.Types.PathElement\u003e, IEquatable\u003cKey.Types.PathElement\u003e, IDeepCloneable\u003cKey.Types.PathElement\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Google Cloud Datastore v1 API class Key.Types.PathElement.\n\nA (kind, ID/name) pair used to construct a key path.\n\nIf either name or ID is set, the element is complete.\nIf neither is set, the element is incomplete. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e Key.Types.PathElement \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[Key](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key)[Types](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key.Types)[PathElement](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key.Types.PathElement), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[Key](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key)[Types](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key.Types)[PathElement](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key.Types.PathElement), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[Key](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key)[Types](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key.Types)[PathElement](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1.Key.Types.PathElement), [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.Datastore.V1](/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest/Google.Cloud.Datastore.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.Datastore.V1.dll\n\nConstructors\n------------\n\n### PathElement()\n\n public PathElement()\n\n### PathElement(PathElement)\n\n public PathElement(Key.Types.PathElement other)\n\n### PathElement(string, long)\n\n public PathElement(string kind, long id)\n\nCreates a key path element with the given kind and ID.\n\n### PathElement(string, string)\n\n public PathElement(string kind, string name)\n\nCreates a key path element with the given kind and name.\n\nProperties\n----------\n\n### HasId\n\n public bool HasId { get; }\n\nGets whether the \"id\" field is set\n\n### HasName\n\n public bool HasName { get; }\n\nGets whether the \"name\" field is set\n\n### Id\n\n public long Id { get; set; }\n\nThe auto-allocated ID of the entity.\n\nNever equal to zero. Values less than zero are discouraged and may not\nbe supported in the future.\n\n### IdTypeCase\n\n public Key.Types.PathElement.IdTypeOneofCase IdTypeCase { get; }\n\n### Kind\n\n public string Kind { get; set; }\n\nThe kind of the entity.\n\nA kind matching regex `__.*__` is reserved/read-only.\nA kind must not contain more than 1500 bytes when UTF-8 encoded.\nCannot be `\"\"`.\n\nMust be valid UTF-8 bytes. Legacy values that are not valid UTF-8 are\nencoded as `__bytes\u003cX\u003e__` where `\u003cX\u003e` is the base-64 encoding of the\nbytes.\n\n### Name\n\n public string Name { get; set; }\n\nThe name of the entity.\n\nA name matching regex `__.*__` is reserved/read-only.\nA name must not be more than 1500 bytes when UTF-8 encoded.\nCannot be `\"\"`.\n\nMust be valid UTF-8 bytes. Legacy values that are not valid UTF-8 are\nencoded as `__bytes\u003cX\u003e__` where `\u003cX\u003e` is the base-64 encoding of the\nbytes."]]