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 Trace C++ client library, specifically focusing on the \u003ccode\u003etrace_v2\u003c/code\u003e namespace.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available is 2.37.0-rc, while this page defaults to version 2.30.0, listing several prior versions.\u003c/p\u003e\n"],["\u003cp\u003eIt includes details on classes like \u003ccode\u003eTraceServiceClient\u003c/code\u003e and \u003ccode\u003eTraceServiceConnection\u003c/code\u003e, which are crucial for interacting with the Trace service.\u003c/p\u003e\n"],["\u003cp\u003eThe page also outlines various retry and backoff policies, including \u003ccode\u003eTraceServiceLimitedErrorCountRetryPolicy\u003c/code\u003e, \u003ccode\u003eTraceServiceLimitedTimeRetryPolicy\u003c/code\u003e, and options for configuring these policies, such as \u003ccode\u003eTraceServiceBackoffPolicyOption\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eA key function highlighted is \u003ccode\u003eMakeTraceServiceConnection\u003c/code\u003e, which is used to create a \u003ccode\u003eTraceServiceConnection\u003c/code\u003e object, essential for constructing a \u003ccode\u003eTraceServiceClient\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::trace_v2 (2.30.0)\n\nVersion 2.30.0keyboard_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/2.30.0/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/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection)\n\nThe [`TraceServiceConnection`](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) object for [`TraceServiceClient`](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceClient).\n\n### [TraceServiceConnectionIdempotencyPolicy](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnectionIdempotencyPolicy)\n\n### [TraceServiceLimitedErrorCountRetryPolicy](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceLimitedErrorCountRetryPolicy)\n\nA retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) based on counting errors.\n\n### [TraceServiceLimitedTimeRetryPolicy](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceLimitedTimeRetryPolicy)\n\nA retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection) based on elapsed time.\n\n### [TraceServiceRetryPolicy](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceRetryPolicy)\n\nThe retry policy for [`TraceServiceConnection`](/cpp/docs/reference/trace/2.30.0/classgoogle_1_1cloud_1_1trace__v2_1_1TraceServiceConnection).\n\nStructs\n-------\n\n### [TraceServiceBackoffPolicyOption](/cpp/docs/reference/trace/2.30.0/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/2.30.0/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/2.30.0/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/2.30.0/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/2.30.0/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/2.30.0/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`](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()"]]