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"]],[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 content pertains to the \u003ccode\u003eQueryExpansionSpec\u003c/code\u003e class within the \u003ccode\u003eGoogle.Cloud.Retail.V2\u003c/code\u003e 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.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eQueryExpansionSpec\u003c/code\u003e determines when query expansion happens during searches, with a default setting of \u003ccode\u003eCondition.DISABLED\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePinUnexpandedResults\u003c/code\u003e 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.\u003c/p\u003e\n"],["\u003cp\u003eThe class \u003ccode\u003eQueryExpansionSpec\u003c/code\u003e 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.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available for the class \u003ccode\u003eQueryExpansionSpec\u003c/code\u003e is 2.12.0, with multiple prior versions listed for selection and use, each in their respective folders.\u003c/p\u003e\n"]]],[],null,[]]
