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 for version 2.21.0.\u003c/p\u003e\n"],["\u003cp\u003eIt lists various available versions of the IAM API, ranging from 2.11.0 up to the latest release candidate 2.37.0-rc, with links to their respective documentation pages.\u003c/p\u003e\n"],["\u003cp\u003eThe page details classes like \u003ccode\u003eIAMPolicyClient\u003c/code\u003e, \u003ccode\u003eIAMPolicyConnection\u003c/code\u003e, and several retry policy classes, including their functions and usage.\u003c/p\u003e\n"],["\u003cp\u003eIt includes information on structs like \u003ccode\u003eIAMPolicyBackoffPolicyOption\u003c/code\u003e, \u003ccode\u003eIAMPolicyConnectionIdempotencyPolicyOption\u003c/code\u003e, and \u003ccode\u003eIAMPolicyRetryPolicyOption\u003c/code\u003e used to customize IAM policy behaviors.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation provides a factory function, \u003ccode\u003eMakeIAMPolicyConnection\u003c/code\u003e, to create an \u003ccode\u003eIAMPolicyConnection\u003c/code\u003e object, highlighting its usage with the \u003ccode\u003eIAMPolicyClient\u003c/code\u003e constructor and detailing configurable options.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::iam_v1 (2.21.0)\n\nVersion 2.21.0keyboard_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/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyClient)\n\nAPI Overview.\n\n### [IAMPolicyConnection](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection)\n\nThe [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection) object for [`IAMPolicyClient`](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyClient).\n\n### [IAMPolicyConnectionIdempotencyPolicy](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnectionIdempotencyPolicy)\n\n### [IAMPolicyLimitedErrorCountRetryPolicy](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyLimitedErrorCountRetryPolicy)\n\nA retry policy for [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection) based on counting errors.\n\n### [IAMPolicyLimitedTimeRetryPolicy](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyLimitedTimeRetryPolicy)\n\nA retry policy for [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection) based on elapsed time.\n\n### [IAMPolicyRetryPolicy](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyRetryPolicy)\n\nThe retry policy for [`IAMPolicyConnection`](/cpp/docs/reference/iam/2.21.0/classgoogle_1_1cloud_1_1iam__v1_1_1IAMPolicyConnection).\n\nStructs\n-------\n\n### [IAMPolicyBackoffPolicyOption](/cpp/docs/reference/iam/2.21.0/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/2.21.0/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/2.21.0/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/2.21.0/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/2.21.0/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/2.21.0/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`](/cpp/docs/reference/iam/2.21.0/namespacegoogle_1_1cloud_1_1iam__v1)\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()\n\nType Aliases\n------------\n\n### IAMPolicyPolicyOptionList\n\n**Alias Of** : `OptionList\u003c IAMPolicyRetryPolicyOption, IAMPolicyBackoffPolicyOption, IAMPolicyConnectionIdempotencyPolicyOption \u003e` \nThe options applicable to IAMPolicy."]]