Google services can filter the fields in a response using the X-Goog-FieldMask header. This can be useful in large responses, such as listing resources, where some of the fields are uninteresting.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThis webpage provides a list of available versions for the \u003ccode\u003eFieldMaskOption\u003c/code\u003e within the Google Cloud C++ library, ranging from version 2.10.1 up to the latest release candidate 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eEach version listed has a corresponding link that directs to the documentation for the \u003ccode\u003estruct google::cloud::FieldMaskOption\u003c/code\u003e for that specific release.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eFieldMaskOption\u003c/code\u003e can be used to configure server-side filtering through the \u003ccode\u003eX-Goog-FieldMask\u003c/code\u003e header, allowing users to specify which fields are returned in a response.\u003c/p\u003e\n"],["\u003cp\u003eThe type alias of \u003ccode\u003eFieldMaskOption\u003c/code\u003e is defined as \u003ccode\u003estd::string\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
