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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-02 UTC."],[[["This webpage documents different versions of the `AuthorityOption` for the Google Cloud C++ client library, spanning from version 2.10.1 to 2.37.0-rc."],["The `AuthorityOption` configures the \"authority\" attribute for gRPC requests, mapping to the `authority()` field in `grpc::ClientContext` and sets the `:authority` pseudo-header in HTTP/2 requests."],["For REST services, the `AuthorityOption` sets the `Host` header in HTTP/1.1 or HTTP/1.0 requests."],["Setting the `AuthorityOption` to an empty string will result in no headers being set, useful for environments outside of the Google production environment."],["The type of `AuthorityOption` is an alias of `std::string`."]]],[]]
