A pseudo user identifier for charging per-user quotas. If not specified, the authenticated principal is used. If there is no authenticated principal, the client IP address will be used. When specified, a valid API key with service restrictions must be used to identify the quota project. Otherwise, this parameter is ignored.
[[["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 2025-03-05 UTC."],[[["This webpage documents the `QuotaUserOption` structure across multiple versions, ranging from version 2.10.1 to the latest release candidate 2.37.0-rc."],["The latest available release candidate for this documentation is version 2.37.0-rc, indicated as the most up-to-date option."],["`QuotaUserOption` configures a system parameter, where it acts as a pseudo user identifier for charging per-user quotas, using the authenticated principal or client IP if unspecified."],["`QuotaUserOption` is an alias of `std::string`."]]],[]]