[[["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 2025-01-09 UTC."],[[["This webpage details the process of tuning an existing engine, specifically for solutions of type `SOLUTION_TYPE_RECOMMENDATION`."],["The tuning process involves sending a `POST` HTTP request to a specific URL using gRPC Transcoding syntax, and the URL requires a path parameter `name` to identify the engine."],["The request body for tuning an engine must be empty."],["A successful tuning request returns an `Operation` instance in the response body."],["Tuning an engine requires the OAuth scope `https://www.googleapis.com/auth/cloud-platform` and the IAM permission `discoveryengine.engines.tune` on the engine resource."]]],[]]