Starts a previously created migration workflow. I.e., the state transitions from DRAFT to RUNNING. This is a no-op if the state is already RUNNING. An error will be signaled if the state is anything other than DRAFT or RUNNING.
HTTP request
POST https://bigquerymigration.googleapis.com/v2/{name=projects/*/locations/*/workflows/*}:start
[[["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 2025-07-02 UTC."],[[["\u003cp\u003eThis webpage details how to start a migration workflow using a POST request to a specific endpoint.\u003c/p\u003e\n"],["\u003cp\u003eThe request requires a unique workflow identifier (\u003ccode\u003ename\u003c/code\u003e) as a path parameter in the URL.\u003c/p\u003e\n"],["\u003cp\u003eThe body of the request must be empty, and a successful response will also have an empty JSON body.\u003c/p\u003e\n"],["\u003cp\u003eTo make the request, users need the \u003ccode\u003ebigquerymigration.workflows.update\u003c/code\u003e IAM permission and the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope.\u003c/p\u003e\n"]]],[],null,[]]