For REST-based services using HTTP/1.1 or HTTP/1.0 this is the Host header.
Setting this option to the empty string has no effect, i.e., no headers are set. This can be useful if you are not using Google's production environment.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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 version history and documentation for the \u003ccode\u003eAuthorityOption\u003c/code\u003e within the Google Cloud C++ client library, specifically referencing the \u003ccode\u003estruct google::cloud::AuthorityOption\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe latest release candidate for this \u003ccode\u003eAuthorityOption\u003c/code\u003e is version 2.37.0-rc, while the most recent stable release available on the page is version 2.36.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eAuthorityOption\u003c/code\u003e is used to configure the authority attribute, setting the \u003ccode\u003eauthority()\u003c/code\u003e field in \u003ccode\u003egrpc::ClientContext\u003c/code\u003e for gRPC requests or the \u003ccode\u003eHost\u003c/code\u003e header for REST-based services using HTTP/1.1 or HTTP/1.0.\u003c/p\u003e\n"],["\u003cp\u003eSetting the \u003ccode\u003eAuthorityOption\u003c/code\u003e to an empty string will have no effect, and this can be useful when not utilizing Google's production environment.\u003c/p\u003e\n"],["\u003cp\u003eThe page contains a list of available versions for the \u003ccode\u003eAuthorityOption\u003c/code\u003e, ranging from version 2.37.0-rc down to 2.10.1.\u003c/p\u003e\n"]]],[],null,[]]