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 webpage provides documentation for the Google Cloud C++ client library's Trace API, specifically version 2.20.0, and offers links to documentation for newer and older versions as well.\u003c/p\u003e\n"],["\u003cp\u003eThe page outlines the classes, such as \u003ccode\u003eTraceServiceClient\u003c/code\u003e and \u003ccode\u003eTraceServiceConnection\u003c/code\u003e, which are used to interact with the trace service for collecting and viewing traces and spans.\u003c/p\u003e\n"],["\u003cp\u003eSeveral retry policy classes and structs are detailed, including \u003ccode\u003eTraceServiceLimitedErrorCountRetryPolicy\u003c/code\u003e, \u003ccode\u003eTraceServiceLimitedTimeRetryPolicy\u003c/code\u003e, and related options, for managing the retry behavior of trace service connections.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMakeTraceServiceConnection\u003c/code\u003e function is described, which creates a \u003ccode\u003eTraceServiceConnection\u003c/code\u003e object, with the option to configure various aspects of the connection using specific options.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eTraceServicePolicyOptionList\u003c/code\u003e is defined as an alias for \u003ccode\u003eOptionList< TraceServiceRetryPolicyOption, TraceServiceBackoffPolicyOption, TraceServiceConnectionIdempotencyPolicyOption>\u003c/code\u003e, grouping together the options related to the Trace Service.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::trace_v2 (2.20.0)\n\nVersion 2.20.0keyboard_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/2.20.0/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/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection)\n\nThe [`TraceServiceConnection`](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) object for [`TraceServiceClient`](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceClient).\n\n### [TraceServiceConnectionIdempotencyPolicy](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnectionIdempotencyPolicy)\n\n### [TraceServiceLimitedErrorCountRetryPolicy](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceLimitedErrorCountRetryPolicy)\n\nA retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) based on counting errors.\n\n### [TraceServiceLimitedTimeRetryPolicy](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceLimitedTimeRetryPolicy)\n\nA retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) based on elapsed time.\n\n### [TraceServiceRetryPolicy](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceRetryPolicy)\n\nThe retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/2.20.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection).\n\nStructs\n-------\n\n### [TraceServiceBackoffPolicyOption](/cpp/docs/reference/trace/2.20.0/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/2.20.0/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/2.20.0/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/2.20.0/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/2.20.0/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/2.20.0/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`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::trace_v2::TraceServicePolicyOptionList`](/cpp/docs/reference/trace/2.20.0/namespacegoogle_1_1cloud_1_1trace__v2)\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()\n\nType Aliases\n------------\n\n### TraceServicePolicyOptionList\n\n**Alias Of** : `OptionList\u003c TraceServiceRetryPolicyOption, TraceServiceBackoffPolicyOption, TraceServiceConnectionIdempotencyPolicyOption \u003e` \nThe options applicable to TraceService."]]
