[[["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 2025-06-27 UTC."],[],[],null,["# Method: reasoningEngines.query\n\n**Full name**: projects.locations.reasoningEngines.query\n\nQueries using a reasoning engine. \n\n### Endpoint\n\npost `https:``/``/{service-endpoint}``/v1beta1``/{name}:query` \nWhere `{service-endpoint}` is one of the [supported service endpoints](/vertex-ai/docs/reference/rest#rest_endpoints).\n\n### Path parameters\n\n`name` `string` \nRequired. The name of the ReasoningEngine resource to use. Format: `projects/{project}/locations/{location}/reasoningEngines/{reasoningEngine}`\n\n### Request body\n\nThe request body contains data with the following structure:\nFields `input` `object (`[Struct](https://protobuf.dev/reference/protobuf/google.protobuf/#struct)` format)` \nOptional. Input content provided by users in JSON object format. Examples include text query, function calling parameters, media bytes, etc.\n`classMethod` `string` \nOptional. Class method to be used for the query. It is optional and defaults to \"query\" if unspecified. \n\n### Response body\n\nResponse message for \\[ReasoningEngineExecutionService.Query\\]\\[\\]\n\nIf successful, the response body contains data with the following structure:\nFields `output` `value (`[Value](https://protobuf.dev/reference/protobuf/google.protobuf/#value)` format)` \nResponse provided by users in JSON object format."]]
