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"]],[["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."],[[["The webpage provides documentation for the `google::cloud::FieldMaskOption` struct across multiple versions, ranging from 2.10.1 to the latest release candidate 2.37.0-rc."],["Each version of the `FieldMaskOption` struct is represented by a hyperlink to its specific documentation page, enabling users to easily navigate to the version-specific information they require."],["The `FieldMaskOption` type alias is fundamentally an `std::string` and is used to configure server-side filtering using the `X-Goog-FieldMask` header."],["Server-side filtering with `X-Goog-FieldMask` allows Google services to selectively filter out unneeded fields from large responses, which can be very helpful when listing many resources."]]],[]]
