public sealed class Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig : IMessage<Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig>, IEquatable<Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig>, IDeepCloneable<Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig>, IBufferMessage, IMessage
Reference documentation and code samples for the Discovery Engine v1 API class Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig.
Feature configurations that are required for creating a Most Popular
engine.
The time window of which the engine is queried at training and
prediction time. Positive integers only. The value translates to the
last X days of events. Currently required for the most-popular-items
engine.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig (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.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.8.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.8.0/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.7.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.7.0/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.6.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.6.0/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.5.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.5.0/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.4.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.4.0/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.3.0/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.2.0/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.1.0/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig)\n- [1.0.0-beta06](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/1.0.0-beta06/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig) \n\n public sealed class Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig : IMessage\u003cEngine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig\u003e, IEquatable\u003cEngine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig\u003e, IDeepCloneable\u003cEngine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Discovery Engine v1 API class Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig.\n\nFeature configurations that are required for creating a Most Popular\nengine. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[Engine](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types)[MediaRecommendationEngineConfig](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types)[MostPopularFeatureConfig](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[Engine](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types)[MediaRecommendationEngineConfig](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types)[MostPopularFeatureConfig](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[Engine](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types)[MediaRecommendationEngineConfig](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig)[Types](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types)[MostPopularFeatureConfig](/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig), [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### MostPopularFeatureConfig()\n\n public MostPopularFeatureConfig()\n\n### MostPopularFeatureConfig(MostPopularFeatureConfig)\n\n public MostPopularFeatureConfig(Engine.Types.MediaRecommendationEngineConfig.Types.MostPopularFeatureConfig other)\n\nProperties\n----------\n\n### TimeWindowDays\n\n public long TimeWindowDays { get; set; }\n\nThe time window of which the engine is queried at training and\nprediction time. Positive integers only. The value translates to the\nlast X days of events. Currently required for the `most-popular-items`\nengine."]]