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 provides documentation for the `QuotaUserOption` struct across multiple versions, ranging from 2.10.1 to the latest release candidate 2.37.0-rc."],["The `QuotaUserOption` is used to configure a pseudo user identifier for charging per-user quotas, falling back to the authenticated principal or client IP address if not explicitly defined."],["If the `QuotaUserOption` is set, a valid API key with service restrictions must be used to identify the quota project, otherwise, this parameter will be ignored."],["The `QuotaUserOption` struct is an alias for `std::string`."]]],[]]
