A factory function to construct an object of typeIAMConnection.
The returned connection object should not be used directly; instead it should be passed as an argument to the constructor ofIAMClient.
The optionaloptionsargument may be used to configure aspects of the returnedIAMConnection. 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 page provides documentation for the Google Cloud C++ client library's IAM (Identity and Access Management) service, specifically focusing on version 2.35.0 and its related versions.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation lists multiple versions of the IAM service, ranging from the latest release candidate (2.37.0-rc) down to version 2.11.0, allowing developers to choose the appropriate version for their needs.\u003c/p\u003e\n"],["\u003cp\u003eKey classes documented on this page include \u003ccode\u003eIAMClient\u003c/code\u003e, \u003ccode\u003eIAMConnection\u003c/code\u003e, and several retry-related classes, such as \u003ccode\u003eIAMLimitedErrorCountRetryPolicy\u003c/code\u003e, \u003ccode\u003eIAMLimitedTimeRetryPolicy\u003c/code\u003e, and \u003ccode\u003eIAMRetryPolicy\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation also details the functions \u003ccode\u003eMakeIAMConnection\u003c/code\u003e for creating an \u003ccode\u003eIAMConnection\u003c/code\u003e object and \u003ccode\u003eMakeDefaultIAMConnectionIdempotencyPolicy\u003c/code\u003e for creating an \u003ccode\u003eIAMConnectionIdempotencyPolicy\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe page offers details on various struct used for configuring backoff policies, idempotency, and retries for the \u003ccode\u003eIAMConnection\u003c/code\u003e, through the use of different options.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::iam_admin_v1 (2.35.0)\n\nVersion 2.35.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/iam/latest/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.41.0](/cpp/docs/reference/iam/2.41.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.40.0](/cpp/docs/reference/iam/2.40.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.39.0](/cpp/docs/reference/iam/2.39.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.38.0](/cpp/docs/reference/iam/2.38.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.37.0](/cpp/docs/reference/iam/2.37.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.36.0](/cpp/docs/reference/iam/2.36.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.35.0](/cpp/docs/reference/iam/2.35.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.34.0](/cpp/docs/reference/iam/2.34.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.33.0](/cpp/docs/reference/iam/2.33.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.32.0](/cpp/docs/reference/iam/2.32.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.31.0](/cpp/docs/reference/iam/2.31.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.30.0](/cpp/docs/reference/iam/2.30.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.29.0](/cpp/docs/reference/iam/2.29.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.28.0](/cpp/docs/reference/iam/2.28.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.27.0](/cpp/docs/reference/iam/2.27.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.26.0](/cpp/docs/reference/iam/2.26.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.25.1](/cpp/docs/reference/iam/2.25.1/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.24.0](/cpp/docs/reference/iam/2.24.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.23.0](/cpp/docs/reference/iam/2.23.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.22.1](/cpp/docs/reference/iam/2.22.1/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.21.0](/cpp/docs/reference/iam/2.21.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.20.0](/cpp/docs/reference/iam/2.20.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.19.0](/cpp/docs/reference/iam/2.19.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.18.0](/cpp/docs/reference/iam/2.18.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.17.0](/cpp/docs/reference/iam/2.17.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.16.0](/cpp/docs/reference/iam/2.16.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.15.1](/cpp/docs/reference/iam/2.15.1/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.14.0](/cpp/docs/reference/iam/2.14.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.13.0](/cpp/docs/reference/iam/2.13.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.12.0](/cpp/docs/reference/iam/2.12.0/namespacegoogle_1_1cloud_1_1iam__admin__v1)\n- [2.11.0](/cpp/docs/reference/iam/2.11.0/namespacegoogle_1_1cloud_1_1iam__admin__v1) \n\nClasses\n-------\n\n### [IAMClient](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMClient)\n\nCreates and manages Identity and Access Management (IAM) resources.\n\n### [IAMConnection](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnection)\n\nThe [`IAMConnection`](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnection) object for [`IAMClient`](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMClient).\n\n### [IAMConnectionIdempotencyPolicy](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnectionIdempotencyPolicy)\n\n### [IAMLimitedErrorCountRetryPolicy](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMLimitedErrorCountRetryPolicy)\n\nA retry policy for [`IAMConnection`](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnection) based on counting errors.\n\n### [IAMLimitedTimeRetryPolicy](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMLimitedTimeRetryPolicy)\n\nA retry policy for [`IAMConnection`](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnection) based on elapsed time.\n\n### [IAMRetryPolicy](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMRetryPolicy)\n\nThe retry policy for [`IAMConnection`](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnection).\n\nStructs\n-------\n\n### [IAMBackoffPolicyOption](/cpp/docs/reference/iam/2.35.0/structgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMBackoffPolicyOption)\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### [IAMConnectionIdempotencyPolicyOption](/cpp/docs/reference/iam/2.35.0/structgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnectionIdempotencyPolicyOption)\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### [IAMRetryPolicyOption](/cpp/docs/reference/iam/2.35.0/structgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMRetryPolicyOption)\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### MakeIAMConnection(Options)\n\nA factory function to construct an object of type [`IAMConnection`](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [IAMClient](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`IAMConnection`](/cpp/docs/reference/iam/2.35.0/classgoogle_1_1cloud_1_1iam__admin__v1_1_1IAMConnection). 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_admin_v1::IAMPolicyOptionList`](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### MakeDefaultIAMConnectionIdempotencyPolicy()"]]
