Group identifier.
For Google Workspace user account, group_id should be the google
workspace group email.
For non-google identity provider user account, group_id is the mapped
group identifier configured during the workforcepool config.
User identifier.
For Google Workspace user account, user_id should be the google workspace
user email.
For non-google identity provider user account, user_id is the mapped user
identifier configured during the workforcepool config.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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."],[],[],null,["# Discovery Engine v1 API - Class Principal (1.9.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.9.0 (latest)](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.8.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.8.0/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.7.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.7.0/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.6.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.6.0/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.5.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.5.0/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.4.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.4.0/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.3.0/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.2.0/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.1.0/Google.Cloud.DiscoveryEngine.V1.Principal)\n- [1.0.0-beta06](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.0.0-beta06/Google.Cloud.DiscoveryEngine.V1.Principal) \n\n public sealed class Principal : IMessage\u003cPrincipal\u003e, IEquatable\u003cPrincipal\u003e, IDeepCloneable\u003cPrincipal\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1 API class Principal.\n\nPrincipal identifier of a user or a group. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e Principal \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[Principal](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Principal), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[Principal](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Principal), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[Principal](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Principal), [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.V1](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.DiscoveryEngine.V1.dll\n\nConstructors\n------------\n\n### Principal()\n\n public Principal()\n\n### Principal(Principal)\n\n public Principal(Principal other)\n\nProperties\n----------\n\n### ExternalEntityId\n\n public string ExternalEntityId { get; set; }\n\nFor 3P application identities which are not present in the customer\nidentity provider.\n\n### GroupId\n\n public string GroupId { get; set; }\n\nGroup identifier.\nFor Google Workspace user account, group_id should be the google\nworkspace group email.\nFor non-google identity provider user account, group_id is the mapped\ngroup identifier configured during the workforcepool config.\n\n### HasExternalEntityId\n\n public bool HasExternalEntityId { get; }\n\nGets whether the \"external_entity_id\" field is set\n\n### HasGroupId\n\n public bool HasGroupId { get; }\n\nGets whether the \"group_id\" field is set\n\n### HasUserId\n\n public bool HasUserId { get; }\n\nGets whether the \"user_id\" field is set\n\n### PrincipalCase\n\n public Principal.PrincipalOneofCase PrincipalCase { get; }\n\n### UserId\n\n public string UserId { get; set; }\n\nUser identifier.\nFor Google Workspace user account, user_id should be the google workspace\nuser email.\nFor non-google identity provider user account, user_id is the mapped user\nidentifier configured during the workforcepool config."]]