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"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-02 UTC."],[[["This webpage documents various versions of the `QuotaUserOption` for the Google Cloud C++ client library, starting from version 2.10.1 and going up to the latest release candidate, 2.37.0-rc."],["The `QuotaUserOption` is used to configure a pseudo user identifier, allowing for per-user quota charging."],["If the `QuotaUserOption` is not specified, the system defaults to using the authenticated principal or, if unavailable, the client's IP address for quota management."],["The `QuotaUserOption` is an alias for `std::string`."]]],[]]
