The returned connection object should not be used directly; instead it should be passed as an argument to the constructor of VmMigrationClient.
The optional options argument may be used to configure aspects of the returned VmMigrationConnection. 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"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThis document provides reference information for the Google Cloud VM Migration C++ client library, specifically for version 2.35.0.\u003c/p\u003e\n"],["\u003cp\u003eThe latest release candidate for the VM Migration C++ client library is version 2.37.0-rc, and past versions back to 2.11.0 are available for reference.\u003c/p\u003e\n"],["\u003cp\u003eKey classes within this version include \u003ccode\u003eVmMigrationClient\u003c/code\u003e for interacting with the VM Migration Service, and \u003ccode\u003eVmMigrationConnection\u003c/code\u003e for managing connections.\u003c/p\u003e\n"],["\u003cp\u003eSeveral structs are defined to aid configuration of the library such as \u003ccode\u003eVmMigrationBackoffPolicyOption\u003c/code\u003e and \u003ccode\u003eVmMigrationRetryPolicyOption\u003c/code\u003e, which work with \u003ccode\u003egoogle::cloud::Options\u003c/code\u003e for configuration.\u003c/p\u003e\n"],["\u003cp\u003eThe document details functions like \u003ccode\u003eMakeVmMigrationConnection\u003c/code\u003e, used to create connection objects, and \u003ccode\u003eMakeDefaultVmMigrationConnectionIdempotencyPolicy\u003c/code\u003e, which specifies default behavior for connection operations.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::vmmigration_v1 (2.35.0)\n\nVersion 2.35.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/vmmigration/latest/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.41.0](/cpp/docs/reference/vmmigration/2.41.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.40.0](/cpp/docs/reference/vmmigration/2.40.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.39.0](/cpp/docs/reference/vmmigration/2.39.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.38.0](/cpp/docs/reference/vmmigration/2.38.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.37.0](/cpp/docs/reference/vmmigration/2.37.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.36.0](/cpp/docs/reference/vmmigration/2.36.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.35.0](/cpp/docs/reference/vmmigration/2.35.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.34.0](/cpp/docs/reference/vmmigration/2.34.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.33.0](/cpp/docs/reference/vmmigration/2.33.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.32.0](/cpp/docs/reference/vmmigration/2.32.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.31.0](/cpp/docs/reference/vmmigration/2.31.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.30.0](/cpp/docs/reference/vmmigration/2.30.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.29.0](/cpp/docs/reference/vmmigration/2.29.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.28.0](/cpp/docs/reference/vmmigration/2.28.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.27.0](/cpp/docs/reference/vmmigration/2.27.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.26.0](/cpp/docs/reference/vmmigration/2.26.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.25.1](/cpp/docs/reference/vmmigration/2.25.1/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.24.0](/cpp/docs/reference/vmmigration/2.24.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.23.0](/cpp/docs/reference/vmmigration/2.23.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.22.1](/cpp/docs/reference/vmmigration/2.22.1/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.21.0](/cpp/docs/reference/vmmigration/2.21.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.20.0](/cpp/docs/reference/vmmigration/2.20.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.19.0](/cpp/docs/reference/vmmigration/2.19.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.18.0](/cpp/docs/reference/vmmigration/2.18.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.17.0](/cpp/docs/reference/vmmigration/2.17.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.16.0](/cpp/docs/reference/vmmigration/2.16.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.15.1](/cpp/docs/reference/vmmigration/2.15.1/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.14.0](/cpp/docs/reference/vmmigration/2.14.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.13.0](/cpp/docs/reference/vmmigration/2.13.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.12.0](/cpp/docs/reference/vmmigration/2.12.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.11.0](/cpp/docs/reference/vmmigration/2.11.0/namespacegoogle_1_1cloud_1_1vmmigration__v1) \n\nClasses\n-------\n\n### [VmMigrationClient](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationClient)\n\nVM Migration Service.\n\n### [VmMigrationConnection](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection)\n\nThe [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection) object for [`VmMigrationClient`](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationClient).\n\n### [VmMigrationConnectionIdempotencyPolicy](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnectionIdempotencyPolicy)\n\n### [VmMigrationLimitedErrorCountRetryPolicy](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationLimitedErrorCountRetryPolicy)\n\nA retry policy for [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection) based on counting errors.\n\n### [VmMigrationLimitedTimeRetryPolicy](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationLimitedTimeRetryPolicy)\n\nA retry policy for [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection) based on elapsed time.\n\n### [VmMigrationRetryPolicy](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationRetryPolicy)\n\nThe retry policy for [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection).\n\nStructs\n-------\n\n### [VmMigrationBackoffPolicyOption](/cpp/docs/reference/vmmigration/2.35.0/structgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationBackoffPolicyOption)\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### [VmMigrationConnectionIdempotencyPolicyOption](/cpp/docs/reference/vmmigration/2.35.0/structgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnectionIdempotencyPolicyOption)\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### [VmMigrationPollingPolicyOption](/cpp/docs/reference/vmmigration/2.35.0/structgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationPollingPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the long-running operations polling policy.\n\n### [VmMigrationRetryPolicyOption](/cpp/docs/reference/vmmigration/2.35.0/structgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationRetryPolicyOption)\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### MakeVmMigrationConnection(Options)\n\nA factory function to construct an object of type [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [VmMigrationClient](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.35.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection). 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::vmmigration_v1::VmMigrationPolicyOptionList`](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### MakeDefaultVmMigrationConnectionIdempotencyPolicy()"]]