public sealed class QuestionAnsweringQualityInstance : IMessage<QuestionAnsweringQualityInstance>, IEquatable<QuestionAnsweringQualityInstance>, IDeepCloneable<QuestionAnsweringQualityInstance>, IBufferMessage, IMessage
Reference documentation and code samples for the Vertex AI v1beta1 API class QuestionAnsweringQualityInstance.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eQuestionAnsweringQualityInstance\u003c/code\u003e class, part of the Vertex AI v1beta1 API, provides a specification for evaluating the quality of question-answering models.\u003c/p\u003e\n"],["\u003cp\u003eThis class implements multiple interfaces including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, indicating its functionality in data handling and manipulation.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of this class include \u003ccode\u003eContext\u003c/code\u003e (text to answer the question), \u003ccode\u003eInstruction\u003c/code\u003e (the question prompt), \u003ccode\u003ePrediction\u003c/code\u003e (model output), and \u003ccode\u003eReference\u003c/code\u003e (ground truth).\u003c/p\u003e\n"],["\u003cp\u003eIt has several boolean properties \u003ccode\u003eHasContext\u003c/code\u003e, \u003ccode\u003eHasInstruction\u003c/code\u003e, \u003ccode\u003eHasPrediction\u003c/code\u003e, and \u003ccode\u003eHasReference\u003c/code\u003e, each indicating if the respective field is populated.\u003c/p\u003e\n"],["\u003cp\u003eThere are two constructors \u003ccode\u003eQuestionAnsweringQualityInstance()\u003c/code\u003e and \u003ccode\u003eQuestionAnsweringQualityInstance(QuestionAnsweringQualityInstance other)\u003c/code\u003e, that allow creation of a blank instance or a copy.\u003c/p\u003e\n"]]],[],null,["# Vertex AI v1beta1 API - Class QuestionAnsweringQualityInstance (1.0.0-beta47)\n\nVersion latestkeyboard_arrow_down\n\n- [1.0.0-beta47 (latest)](/dotnet/docs/reference/Google.Cloud.AIPlatform.V1Beta1/latest/Google.Cloud.AIPlatform.V1Beta1.QuestionAnsweringQualityInstance)\n- [1.0.0-beta46](/dotnet/docs/reference/Google.Cloud.AIPlatform.V1Beta1/1.0.0-beta46/Google.Cloud.AIPlatform.V1Beta1.QuestionAnsweringQualityInstance) \n\n public sealed class QuestionAnsweringQualityInstance : IMessage\u003cQuestionAnsweringQualityInstance\u003e, IEquatable\u003cQuestionAnsweringQualityInstance\u003e, IDeepCloneable\u003cQuestionAnsweringQualityInstance\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Vertex AI v1beta1 API class QuestionAnsweringQualityInstance.\n\nSpec for question answering quality instance. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e QuestionAnsweringQualityInstance \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[QuestionAnsweringQualityInstance](/dotnet/docs/reference/Google.Cloud.AIPlatform.V1Beta1/latest/Google.Cloud.AIPlatform.V1Beta1.QuestionAnsweringQualityInstance), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[QuestionAnsweringQualityInstance](/dotnet/docs/reference/Google.Cloud.AIPlatform.V1Beta1/latest/Google.Cloud.AIPlatform.V1Beta1.QuestionAnsweringQualityInstance), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[QuestionAnsweringQualityInstance](/dotnet/docs/reference/Google.Cloud.AIPlatform.V1Beta1/latest/Google.Cloud.AIPlatform.V1Beta1.QuestionAnsweringQualityInstance), [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.AIPlatform.V1Beta1](/dotnet/docs/reference/Google.Cloud.AIPlatform.V1Beta1/latest/Google.Cloud.AIPlatform.V1Beta1)\n\nAssembly\n--------\n\nGoogle.Cloud.AIPlatform.V1Beta1.dll\n\nConstructors\n------------\n\n### QuestionAnsweringQualityInstance()\n\n public QuestionAnsweringQualityInstance()\n\n### QuestionAnsweringQualityInstance(QuestionAnsweringQualityInstance)\n\n public QuestionAnsweringQualityInstance(QuestionAnsweringQualityInstance other)\n\nProperties\n----------\n\n### Context\n\n public string Context { get; set; }\n\nRequired. Text to answer the question.\n\n### HasContext\n\n public bool HasContext { get; }\n\nGets whether the \"context\" field is set\n\n### HasInstruction\n\n public bool HasInstruction { get; }\n\nGets whether the \"instruction\" field is set\n\n### HasPrediction\n\n public bool HasPrediction { get; }\n\nGets whether the \"prediction\" field is set\n\n### HasReference\n\n public bool HasReference { get; }\n\nGets whether the \"reference\" field is set\n\n### Instruction\n\n public string Instruction { get; set; }\n\nRequired. Question Answering prompt for LLM.\n\n### Prediction\n\n public string Prediction { get; set; }\n\nRequired. Output of the evaluated model.\n\n### Reference\n\n public string Reference { get; set; }\n\nOptional. Ground truth used to compare against the prediction."]]