Once a RPC completes the underlying transport (gRPC or HTTP) may make some metadata attributes about the request available. For the moment we just capture headers, trailers, and tunnel some low-level socket information as fake headers.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThe latest version available is 2.37.0-rc, which can be accessed through a direct link.\u003c/p\u003e\n"],["\u003cp\u003eThe provided content lists the available versions for \u003ccode\u003estruct google::cloud::RpcMetadata\u003c/code\u003e, ranging from version 2.10.1 up to the latest release candidate.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRpcMetadata\u003c/code\u003e struct captures headers, trailers, and some socket information that the transport layer (gRPC or HTTP) makes available about completed RPC requests.\u003c/p\u003e\n"],["\u003cp\u003eThe metadata provided is primarily for debugging and troubleshooting purposes, and the stability and availability of header names cannot be guaranteed.\u003c/p\u003e\n"]]],[],null,["# Struct RpcMetadata (2.30.0)\n\nVersion 2.30.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/common/latest/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.41.0](/cpp/docs/reference/common/2.41.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.40.0](/cpp/docs/reference/common/2.40.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.39.0](/cpp/docs/reference/common/2.39.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.38.0](/cpp/docs/reference/common/2.38.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.37.0](/cpp/docs/reference/common/2.37.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.36.0](/cpp/docs/reference/common/2.36.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.35.0](/cpp/docs/reference/common/2.35.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.34.0](/cpp/docs/reference/common/2.34.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.33.0](/cpp/docs/reference/common/2.33.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.32.0](/cpp/docs/reference/common/2.32.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.31.0](/cpp/docs/reference/common/2.31.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.30.0](/cpp/docs/reference/common/2.30.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.29.0](/cpp/docs/reference/common/2.29.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.28.0](/cpp/docs/reference/common/2.28.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.27.0](/cpp/docs/reference/common/2.27.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.26.0](/cpp/docs/reference/common/2.26.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.25.1](/cpp/docs/reference/common/2.25.1/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.24.0](/cpp/docs/reference/common/2.24.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.23.0](/cpp/docs/reference/common/2.23.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.22.1](/cpp/docs/reference/common/2.22.1/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.21.0](/cpp/docs/reference/common/2.21.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.20.0](/cpp/docs/reference/common/2.20.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.19.0](/cpp/docs/reference/common/2.19.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.18.0](/cpp/docs/reference/common/2.18.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.17.0](/cpp/docs/reference/common/2.17.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.16.0](/cpp/docs/reference/common/2.16.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.15.1](/cpp/docs/reference/common/2.15.1/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.14.0](/cpp/docs/reference/common/2.14.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.13.0](/cpp/docs/reference/common/2.13.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.12.0](/cpp/docs/reference/common/2.12.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.11.0](/cpp/docs/reference/common/2.11.0/structgoogle_1_1cloud_1_1RpcMetadata)\n- [2.10.1](/cpp/docs/reference/common/2.10.1/structgoogle_1_1cloud_1_1RpcMetadata) \nRPC request metadata. \nOnce a RPC completes the underlying transport (gRPC or HTTP) may make some metadata attributes about the request available. For the moment we just capture headers, trailers, and tunnel some low-level socket information as fake headers.\n| **Note:** When available to applications this information is intended only for debugging and troubleshooting. There is no guarantee that the header names will always be available, or remain stable."]]
