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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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."],[[["This webpage documents different versions of the `AuthorityOption` for the Google Cloud C++ client library, starting with version 2.10.1 and up to the latest release candidate 2.37.0-rc."],["The `AuthorityOption` is used to configure the \"authority\" attribute, which is represented by the `authority()` field in `grpc::ClientContext` for gRPC requests or the `Host` header for REST-based services using HTTP/1.1 or HTTP/1.0."],["Setting the `AuthorityOption` to an empty string will result in no headers being set, and can be beneficial when not using Google's production environment."],["The type alias for the `AuthorityOption` is `std::string`."]]],[]]
