The returned connection object should not be used directly; instead it should be passed as an argument to the constructor ofIAMPolicyClient.
The optionaloptionsargument may be used to configure aspects of the returnedIAMPolicyConnection. 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 IAM (Identity and Access Management) service, specifically the \u003ccode\u003eiam_v1\u003c/code\u003e namespace.\u003c/p\u003e\n"],["\u003cp\u003eThe page lists available versions of the library, from the latest release candidate \u003ccode\u003e2.37.0-rc\u003c/code\u003e down to version \u003ccode\u003e2.11.0\u003c/code\u003e, allowing users to access documentation for various versions.\u003c/p\u003e\n"],["\u003cp\u003eKey classes within the \u003ccode\u003eiam_v1\u003c/code\u003e namespace documented on this page include \u003ccode\u003eIAMPolicyClient\u003c/code\u003e and \u003ccode\u003eIAMPolicyConnection\u003c/code\u003e, which are central to interacting with the IAM service.\u003c/p\u003e\n"],["\u003cp\u003eThe page also details various structs and classes related to retry policies and options for configuring \u003ccode\u003eIAMPolicyConnection\u003c/code\u003e, such as \u003ccode\u003eIAMPolicyRetryPolicy\u003c/code\u003e and \u003ccode\u003eIAMPolicyBackoffPolicyOption\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMakeIAMPolicyConnection\u003c/code\u003e function is documented, which is a factory function for creating an object of type \u003ccode\u003eIAMPolicyConnection\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::iam_v1 (2.27.0)\n\nVersion 2.27.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/iam/latest/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.41.0](/cpp/docs/reference/iam/2.41.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.40.0](/cpp/docs/reference/iam/2.40.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.39.0](/cpp/docs/reference/iam/2.39.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.38.0](/cpp/docs/reference/iam/2.38.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.37.0](/cpp/docs/reference/iam/2.37.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.36.0](/cpp/docs/reference/iam/2.36.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.35.0](/cpp/docs/reference/iam/2.35.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.34.0](/cpp/docs/reference/iam/2.34.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.33.0](/cpp/docs/reference/iam/2.33.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.32.0](/cpp/docs/reference/iam/2.32.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.31.0](/cpp/docs/reference/iam/2.31.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.30.0](/cpp/docs/reference/iam/2.30.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.29.0](/cpp/docs/reference/iam/2.29.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.28.0](/cpp/docs/reference/iam/2.28.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.27.0](/cpp/docs/reference/iam/2.27.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.26.0](/cpp/docs/reference/iam/2.26.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.25.1](/cpp/docs/reference/iam/2.25.1/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.24.0](/cpp/docs/reference/iam/2.24.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.23.0](/cpp/docs/reference/iam/2.23.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.22.1](/cpp/docs/reference/iam/2.22.1/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.21.0](/cpp/docs/reference/iam/2.21.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.20.0](/cpp/docs/reference/iam/2.20.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.19.0](/cpp/docs/reference/iam/2.19.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.18.0](/cpp/docs/reference/iam/2.18.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.17.0](/cpp/docs/reference/iam/2.17.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.16.0](/cpp/docs/reference/iam/2.16.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.15.1](/cpp/docs/reference/iam/2.15.1/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.14.0](/cpp/docs/reference/iam/2.14.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.13.0](/cpp/docs/reference/iam/2.13.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.12.0](/cpp/docs/reference/iam/2.12.0/namespacegoogle_1_1cloud_1_1iam__v1)\n- [2.11.0](/cpp/docs/reference/iam/2.11.0/namespacegoogle_1_1cloud_1_1iam__v1) \n\nClasses\n-------\n\n### [IAMPolicyClient](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyClient)\n\nAPI Overview.\n\n### [IAMPolicyConnection](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection)\n\nThe [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection) object for [`IAMPolicyClient`](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyClient).\n\n### [IAMPolicyConnectionIdempotencyPolicy](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnectionIdempotencyPolicy)\n\n### [IAMPolicyLimitedErrorCountRetryPolicy](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyLimitedErrorCountRetryPolicy)\n\nA retry policy for [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection) based on counting errors.\n\n### [IAMPolicyLimitedTimeRetryPolicy](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyLimitedTimeRetryPolicy)\n\nA retry policy for [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection) based on elapsed time.\n\n### [IAMPolicyRetryPolicy](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyRetryPolicy)\n\nThe retry policy for [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection).\n\nStructs\n-------\n\n### [IAMPolicyBackoffPolicyOption](/cpp/docs/reference/iam/2.27.0/structgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyBackoffPolicyOption)\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### [IAMPolicyConnectionIdempotencyPolicyOption](/cpp/docs/reference/iam/2.27.0/structgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnectionIdempotencyPolicyOption)\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### [IAMPolicyRetryPolicyOption](/cpp/docs/reference/iam/2.27.0/structgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyRetryPolicyOption)\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### MakeIAMPolicyConnection(Options)\n\nA factory function to construct an object of type [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [IAMPolicyClient](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.27.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection). 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::iam_v1::IAMPolicyPolicyOptionList`](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### MakeDefaultIAMPolicyConnectionIdempotencyPolicy()"]]
