public sealed class QueryExpansionSpec : IMessage<SearchRequest.Types.QueryExpansionSpec>, IEquatable<SearchRequest.Types.QueryExpansionSpec>, IDeepCloneable<SearchRequest.Types.QueryExpansionSpec>, IBufferMessage, IMessage
Specification to determine under which conditions query expansion should
occur.
public SearchRequest.Types.QueryExpansionSpec.Types.Condition Condition { get; set; }
The condition under which query expansion should occur. Default to
[Condition.DISABLED][google.cloud.retail.v2.SearchRequest.QueryExpansionSpec.Condition.DISABLED].
Whether to pin unexpanded results. If this field is set to true,
unexpanded products are always at the top of the search results, followed
by the expanded results.
[[["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 2025-06-12 UTC."],[[["The content pertains to the `QueryExpansionSpec` class within the `Google.Cloud.Retail.V2` namespace, specifically across various versions of the Google Cloud Retail .NET library, ranging from version 1.0.0 to the latest version 2.12.0."],["`QueryExpansionSpec` determines when query expansion happens during searches, with a default setting of `Condition.DISABLED`."],["The `PinUnexpandedResults` property allows users to choose if unexpanded results should be shown at the top of the search results before the expanded ones, being a boolean value."],["The class `QueryExpansionSpec` implements multiple interfaces including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`."],["The latest version available for the class `QueryExpansionSpec` is 2.12.0, with multiple prior versions listed for selection and use, each in their respective folders."]]],[]]