The returned connection object should not be used directly; instead it should be passed as an argument to the constructor ofTraceServiceClient.
The optionaloptionsargument may be used to configure aspects of the returnedTraceServiceConnection. Expected options are any of the types in the following option lists:
[[["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\u003eThis document provides reference information for the Google Cloud Trace v2 C++ library, detailing available versions and core classes.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available is \u003ccode\u003e2.37.0-rc\u003c/code\u003e, and the page provides a list of all available versions, ranging from \u003ccode\u003e2.11.0\u003c/code\u003e to the latest.\u003c/p\u003e\n"],["\u003cp\u003eKey classes for interacting with the trace service include \u003ccode\u003eTraceServiceClient\u003c/code\u003e, \u003ccode\u003eTraceServiceConnection\u003c/code\u003e, and various policy classes for connection, retry, and idempotency.\u003c/p\u003e\n"],["\u003cp\u003eThe document also describes the \u003ccode\u003eMakeTraceServiceConnection\u003c/code\u003e function, which creates a \u003ccode\u003eTraceServiceConnection\u003c/code\u003e object and accepts several options for customization.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eMakeDefaultTraceServiceConnectionIdempotencyPolicy()\u003c/code\u003e creates and returns an object of type \u003ccode\u003eTraceServiceConnectionIdempotencyPolicy\u003c/code\u003e, which can be used for determining which operations are retried.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::trace_v2 (2.42.0-rc)\n\nVersion latestkeyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/trace/latest/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.41.0](/cpp/docs/reference/trace/2.41.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.40.0](/cpp/docs/reference/trace/2.40.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.39.0](/cpp/docs/reference/trace/2.39.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.38.0](/cpp/docs/reference/trace/2.38.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.37.0](/cpp/docs/reference/trace/2.37.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.36.0](/cpp/docs/reference/trace/2.36.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.35.0](/cpp/docs/reference/trace/2.35.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.34.0](/cpp/docs/reference/trace/2.34.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.33.0](/cpp/docs/reference/trace/2.33.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.32.0](/cpp/docs/reference/trace/2.32.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.31.0](/cpp/docs/reference/trace/2.31.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.30.0](/cpp/docs/reference/trace/2.30.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.29.0](/cpp/docs/reference/trace/2.29.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.28.0](/cpp/docs/reference/trace/2.28.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.27.0](/cpp/docs/reference/trace/2.27.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.26.0](/cpp/docs/reference/trace/2.26.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.25.1](/cpp/docs/reference/trace/2.25.1/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.24.0](/cpp/docs/reference/trace/2.24.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.23.0](/cpp/docs/reference/trace/2.23.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.22.1](/cpp/docs/reference/trace/2.22.1/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.21.0](/cpp/docs/reference/trace/2.21.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.20.0](/cpp/docs/reference/trace/2.20.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.19.0](/cpp/docs/reference/trace/2.19.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.18.0](/cpp/docs/reference/trace/2.18.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.17.0](/cpp/docs/reference/trace/2.17.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.16.0](/cpp/docs/reference/trace/2.16.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.15.1](/cpp/docs/reference/trace/2.15.1/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.14.0](/cpp/docs/reference/trace/2.14.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.13.0](/cpp/docs/reference/trace/2.13.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.12.0](/cpp/docs/reference/trace/2.12.0/namespacegoogle_1_1cloud_1_1trace__v2)\n- [2.11.0](/cpp/docs/reference/trace/2.11.0/namespacegoogle_1_1cloud_1_1trace__v2) \n\nClasses\n-------\n\n### [TraceServiceClient](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceClient)\n\nService for collecting and viewing traces and spans within a trace.\n\n### [TraceServiceConnection](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection)\n\nThe [`TraceServiceConnection`](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) object for [`TraceServiceClient`](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceClient).\n\n### [TraceServiceConnectionIdempotencyPolicy](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnectionIdempotencyPolicy)\n\n### [TraceServiceLimitedErrorCountRetryPolicy](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceLimitedErrorCountRetryPolicy)\n\nA retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) based on counting errors.\n\n### [TraceServiceLimitedTimeRetryPolicy](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceLimitedTimeRetryPolicy)\n\nA retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) based on elapsed time.\n\n### [TraceServiceRetryPolicy](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceRetryPolicy)\n\nThe retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection).\n\nStructs\n-------\n\n### [TraceServiceBackoffPolicyOption](/cpp/docs/reference/trace/latest/structgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceBackoffPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the backoff policy.\n\n### [TraceServiceConnectionIdempotencyPolicyOption](/cpp/docs/reference/trace/latest/structgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnectionIdempotencyPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure which operations are retried.\n\n### [TraceServiceRetryPolicyOption](/cpp/docs/reference/trace/latest/structgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceRetryPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the retry policy.\n\nFunctions\n---------\n\n### MakeTraceServiceConnection(Options)\n\nA factory function to construct an object of type [`TraceServiceConnection`](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [TraceServiceClient](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`TraceServiceConnection`](/cpp/docs/reference/trace/latest/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection). Expected options are any of the types in the following option lists:\n\n- [`google::cloud::CommonOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::GrpcOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::UnifiedCredentialsOptionList`](about:invalid#zCSafez)\n- [`google::cloud::trace_v2::TraceServicePolicyOptionList`](about:invalid#zCSafez)\n\n| **Note:** Unexpected options will be ignored. To log unexpected options instead, set `GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes` in the environment.\n\n### MakeDefaultTraceServiceConnectionIdempotencyPolicy()"]]
