Identifier. The full resource name of the
[Evaluation][google.cloud.discoveryengine.v1beta.Evaluation], in the format
of projects/{project}/locations/{location}/evaluations/{evaluation}.
This field must be a UTF-8 encoded string with a length limit of 1024
characters.
public QualityMetrics QualityMetrics { get; set; }
Output only. The metrics produced by the evaluation, averaged across all
[SampleQuery][google.cloud.discoveryengine.v1beta.SampleQuery]s in the
[SampleQuerySet][google.cloud.discoveryengine.v1beta.SampleQuerySet].
Only populated when the evaluation's state is SUCCEEDED.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eEvaluation\u003c/code\u003e class in the Discovery Engine v1beta API represents a single run of an evaluation process, encapsulating its state and resulting data.\u003c/p\u003e\n"],["\u003cp\u003eThis 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, and inherits from the base \u003ccode\u003eobject\u003c/code\u003e class.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eEvaluation\u003c/code\u003e class provides properties to track the evaluation's \u003ccode\u003eCreateTime\u003c/code\u003e, \u003ccode\u003eEndTime\u003c/code\u003e, \u003ccode\u003eState\u003c/code\u003e, any \u003ccode\u003eError\u003c/code\u003e that occurred, and its associated \u003ccode\u003eQualityMetrics\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eEvaluationSpec\u003c/code\u003e property is required and defines the specification of the evaluation.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eName\u003c/code\u003e property acts as an identifier for the evaluation resource, and the \u003ccode\u003eEvaluationName\u003c/code\u003e property provides a typed view of the resource name.\u003c/p\u003e\n"]]],[],null,["# Discovery Engine v1beta API - Class Evaluation (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.Evaluation)\n- [1.0.0-beta18](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/1.0.0-beta18/Google.Cloud.DiscoveryEngine.V1Beta.Evaluation) \n\n public sealed class Evaluation : IMessage\u003cEvaluation\u003e, IEquatable\u003cEvaluation\u003e, IDeepCloneable\u003cEvaluation\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1beta API class Evaluation.\n\nAn evaluation is a single execution (or run) of an evaluation process. It\nencapsulates the state of the evaluation and the resulting data. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e Evaluation \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[Evaluation](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.Evaluation), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[Evaluation](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.Evaluation), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[Evaluation](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.Evaluation), [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### Evaluation()\n\n public Evaluation()\n\n### Evaluation(Evaluation)\n\n public Evaluation(Evaluation other)\n\nProperties\n----------\n\n### CreateTime\n\n public Timestamp CreateTime { get; set; }\n\nOutput only. Timestamp the\n\\[Evaluation\\]\\[google.cloud.discoveryengine.v1beta.Evaluation\\] was created\nat.\n\n### EndTime\n\n public Timestamp EndTime { get; set; }\n\nOutput only. Timestamp the\n\\[Evaluation\\]\\[google.cloud.discoveryengine.v1beta.Evaluation\\] was completed\nat.\n\n### Error\n\n public Status Error { get; set; }\n\nOutput only. The error that occurred during evaluation. Only populated when\nthe evaluation's state is FAILED.\n\n### ErrorSamples\n\n public RepeatedField\u003cStatus\u003e ErrorSamples { get; }\n\nOutput only. A sample of errors encountered while processing the request.\n\n### EvaluationName\n\n public EvaluationName EvaluationName { get; set; }\n\n[EvaluationName](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.EvaluationName)-typed view over the [Name](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1Beta/latest/Google.Cloud.DiscoveryEngine.V1Beta.Evaluation#Google_Cloud_DiscoveryEngine_V1Beta_Evaluation_Name) resource name property.\n\n### EvaluationSpec\n\n public Evaluation.Types.EvaluationSpec EvaluationSpec { get; set; }\n\nRequired. The specification of the evaluation.\n\n### Name\n\n public string Name { get; set; }\n\nIdentifier. The full resource name of the\n\\[Evaluation\\]\\[google.cloud.discoveryengine.v1beta.Evaluation\\], in the format\nof `projects/{project}/locations/{location}/evaluations/{evaluation}`.\n\nThis field must be a UTF-8 encoded string with a length limit of 1024\ncharacters.\n\n### QualityMetrics\n\n public QualityMetrics QualityMetrics { get; set; }\n\nOutput only. The metrics produced by the evaluation, averaged across all\n\\[SampleQuery\\]\\[google.cloud.discoveryengine.v1beta.SampleQuery\\]s in the\n\\[SampleQuerySet\\]\\[google.cloud.discoveryengine.v1beta.SampleQuerySet\\].\n\nOnly populated when the evaluation's state is SUCCEEDED.\n\n### State\n\n public Evaluation.Types.State State { get; set; }\n\nOutput only. The state of the evaluation."]]
