[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThis page provides reference documentation for the \u003ccode\u003eMatchService.MatchServiceBase\u003c/code\u003e class within the Vertex AI v1beta1 API, specifically in the \u003ccode\u003eGoogle.Cloud.AIPlatform.V1Beta1\u003c/code\u003e namespace, found in the \u003ccode\u003eGoogle.Cloud.AIPlatform.V1Beta1.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMatchService.MatchServiceBase\u003c/code\u003e class serves as the foundation for server-side implementations of the \u003ccode\u003eMatchService\u003c/code\u003e, inheriting from the .NET \u003ccode\u003eobject\u003c/code\u003e class.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation details two primary methods available within \u003ccode\u003eMatchService.MatchServiceBase\u003c/code\u003e: \u003ccode\u003eFindNeighbors\u003c/code\u003e, which locates the nearest neighbors for vectors, and \u003ccode\u003eReadIndexDatapoints\u003c/code\u003e, which retrieves datapoints/vectors based on specified IDs.\u003c/p\u003e\n"],["\u003cp\u003eBoth \u003ccode\u003eFindNeighbors\u003c/code\u003e and \u003ccode\u003eReadIndexDatapoints\u003c/code\u003e methods require a request object and a \u003ccode\u003eServerCallContext\u003c/code\u003e, and return their respective responses wrapped in a .NET Task object.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the \u003ccode\u003eMatchService.MatchServiceBase\u003c/code\u003e class documented is \u003ccode\u003e1.0.0-beta21\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Vertex AI v1beta1 API - Class MatchService.MatchServiceBase (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.MatchService.MatchServiceBase)\n- [1.0.0-beta46](/dotnet/docs/reference/Google.Cloud.AIPlatform.V1Beta1/1.0.0-beta46/Google.Cloud.AIPlatform.V1Beta1.MatchService.MatchServiceBase) \n\n [BindServiceMethod(typeof(MatchService), \"BindService\")]\n public abstract class MatchService.MatchServiceBase\n\nReference documentation and code samples for the Vertex AI v1beta1 API class MatchService.MatchServiceBase.\n\nBase class for server-side implementations of MatchService \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e MatchService.MatchServiceBase \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.MemberwiseClone()](https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone) \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\nMethods\n-------\n\n### FindNeighbors(FindNeighborsRequest, ServerCallContext)\n\n public virtual Task\u003cFindNeighborsResponse\u003e FindNeighbors(FindNeighborsRequest request, ServerCallContext context)\n\nFinds the nearest neighbors of each vector within the request.\n\n### ReadIndexDatapoints(ReadIndexDatapointsRequest, ServerCallContext)\n\n public virtual Task\u003cReadIndexDatapointsResponse\u003e ReadIndexDatapoints(ReadIndexDatapointsRequest request, ServerCallContext context)\n\nReads the datapoints/vectors of the given IDs.\nA maximum of 1000 datapoints can be retrieved in a batch."]]
