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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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 lists various versions of the \u003ccode\u003egoogle::cloud::AuthorityOption\u003c/code\u003e, ranging from the latest release candidate 2.37.0-rc down to version 2.10.1.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eAuthorityOption\u003c/code\u003e is used to configure the "authority" attribute for both gRPC and REST-based service requests, setting the \u003ccode\u003eauthority()\u003c/code\u003e field in gRPC and the \u003ccode\u003eHost\u003c/code\u003e header in HTTP.\u003c/p\u003e\n"],["\u003cp\u003eSetting this option to an empty string results in no headers being set, which is useful outside of Google's production environment.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eAuthorityOption\u003c/code\u003e is an alias for \u003ccode\u003estd::string\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
