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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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\u003eThe webpage provides documentation for different versions of \u003ccode\u003egoogle::cloud::AuthorityOption\u003c/code\u003e, ranging from version 2.10.1 to 2.37.0-rc, with the latter being the latest release candidate.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eAuthorityOption\u003c/code\u003e configures the "authority" attribute for gRPC requests, which is represented as the \u003ccode\u003eauthority()\u003c/code\u003e field in \u003ccode\u003egrpc::ClientContext\u003c/code\u003e, or the \u003ccode\u003e:authority\u003c/code\u003e pseudo-header in HTTP/2 requests.\u003c/p\u003e\n"],["\u003cp\u003eFor REST-based services using HTTP/1.1 or HTTP/1.0, \u003ccode\u003eAuthorityOption\u003c/code\u003e sets the \u003ccode\u003eHost\u003c/code\u003e header.\u003c/p\u003e\n"],["\u003cp\u003eSetting \u003ccode\u003eAuthorityOption\u003c/code\u003e to an empty string results in no headers being set, and is useful if you are not using Google's production environment.\u003c/p\u003e\n"],["\u003cp\u003eThe type alias for AuthorityOption is std::string.\u003c/p\u003e\n"]]],[],null,[]]
