Some products and features are in the process of being renamed. Generative playbook and flow features are also being migrated to a single consolidated console. See the details.
[[["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."],[[["\u003cp\u003eThis operation trains a specified flow, but only in the 'draft' environment.\u003c/p\u003e\n"],["\u003cp\u003eTraining a flow is a long-running operation, returning an Operation type with metadata and response fields.\u003c/p\u003e\n"],["\u003cp\u003eThe training is performed via a POST request to a specific URL containing project, location, agent, and flow identifiers.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization to train a flow requires the \u003ccode\u003edialogflow.flows.train\u003c/code\u003e IAM permission and one of the listed OAuth scopes.\u003c/p\u003e\n"],["\u003cp\u003eThe body of the request should be empty and in case of success, it returns an Operation instance.\u003c/p\u003e\n"]]],[],null,["# Method: projects.locations.agents.flows.train\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nTrains the specified flow. Note that only the flow in 'draft' environment is trained.\n\nThis method is a [long-running operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The returned `Operation` type has the following method-specific fields:\n\n- `metadata`: An empty [Struct message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct)\n- `response`: An [Empty message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#empty)\n\nNote: You should always train a flow prior to sending it queries. See the [training documentation](https://cloud.google.com/dialogflow/cx/docs/concept/training).\n\n### HTTP request\n\n`POST https://{endpoint}/v3/{name=projects/*/locations/*/agents/*/flows/*}:train`\n\nWhere `{endpoint}` is one of the [supported service endpoints](/dialogflow/cx/docs/reference/rest#rest_endpoints).\n\nThe URLs use [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n### Request body\n\nThe request body must be empty.\n\n### Response body\n\nIf successful, the response body contains an instance of [Operation](/dialogflow/cx/docs/reference/rest/v3/projects.locations.operations#Operation).\n\n### Authorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://www.googleapis.com/auth/cloud-platform`\n- `\n https://www.googleapis.com/auth/dialogflow`\n\nFor more information, see the [Authentication Overview](/docs/authentication#authorization-gcp)."]]
