The returned connection object should not be used directly; instead it should be passed as an argument to the constructor of EssentialContactsServiceClient.
The optional options argument may be used to configure aspects of the returned EssentialContactsServiceConnection. 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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 C++ reference documentation for the Google Cloud Essential Contacts service, with version 2.37.0-rc being the latest release candidate and 2.35.0 being the current version in focus.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eEssentialContactsServiceClient\u003c/code\u003e class is used to manage contacts for important Google Cloud notifications, while \u003ccode\u003eEssentialContactsServiceConnection\u003c/code\u003e is the object associated with this service client.\u003c/p\u003e\n"],["\u003cp\u003eSeveral classes are provided to support connection functionality and management such as \u003ccode\u003eEssentialContactsServiceConnectionIdempotencyPolicy\u003c/code\u003e, \u003ccode\u003eEssentialContactsServiceLimitedErrorCountRetryPolicy\u003c/code\u003e, and \u003ccode\u003eEssentialContactsServiceLimitedTimeRetryPolicy\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe document includes structs like \u003ccode\u003eEssentialContactsServiceBackoffPolicyOption\u003c/code\u003e and \u003ccode\u003eEssentialContactsServiceRetryPolicyOption\u003c/code\u003e to aid in configuring backoff and retry policies, respectively.\u003c/p\u003e\n"],["\u003cp\u003eThe document also includes the \u003ccode\u003eMakeEssentialContactsServiceConnection\u003c/code\u003e function which creates the \u003ccode\u003eEssentialContactsServiceConnection\u003c/code\u003e and the \u003ccode\u003eMakeDefaultEssentialContactsServiceConnectionIdempotencyPolicy\u003c/code\u003e function to make a default idempotency policy.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::essentialcontacts_v1 (2.35.0)\n\nVersion 2.35.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/essentialcontacts/latest/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.41.0](/cpp/docs/reference/essentialcontacts/2.41.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.40.0](/cpp/docs/reference/essentialcontacts/2.40.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.39.0](/cpp/docs/reference/essentialcontacts/2.39.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.38.0](/cpp/docs/reference/essentialcontacts/2.38.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.37.0](/cpp/docs/reference/essentialcontacts/2.37.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.36.0](/cpp/docs/reference/essentialcontacts/2.36.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.35.0](/cpp/docs/reference/essentialcontacts/2.35.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.34.0](/cpp/docs/reference/essentialcontacts/2.34.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.33.0](/cpp/docs/reference/essentialcontacts/2.33.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.32.0](/cpp/docs/reference/essentialcontacts/2.32.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.31.0](/cpp/docs/reference/essentialcontacts/2.31.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.30.0](/cpp/docs/reference/essentialcontacts/2.30.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.29.0](/cpp/docs/reference/essentialcontacts/2.29.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.28.0](/cpp/docs/reference/essentialcontacts/2.28.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.27.0](/cpp/docs/reference/essentialcontacts/2.27.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.26.0](/cpp/docs/reference/essentialcontacts/2.26.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.25.1](/cpp/docs/reference/essentialcontacts/2.25.1/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.24.0](/cpp/docs/reference/essentialcontacts/2.24.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.23.0](/cpp/docs/reference/essentialcontacts/2.23.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.22.1](/cpp/docs/reference/essentialcontacts/2.22.1/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.21.0](/cpp/docs/reference/essentialcontacts/2.21.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.20.0](/cpp/docs/reference/essentialcontacts/2.20.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.19.0](/cpp/docs/reference/essentialcontacts/2.19.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.18.0](/cpp/docs/reference/essentialcontacts/2.18.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.17.0](/cpp/docs/reference/essentialcontacts/2.17.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.16.0](/cpp/docs/reference/essentialcontacts/2.16.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.15.1](/cpp/docs/reference/essentialcontacts/2.15.1/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.14.0](/cpp/docs/reference/essentialcontacts/2.14.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.13.0](/cpp/docs/reference/essentialcontacts/2.13.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1)\n- [2.12.0](/cpp/docs/reference/essentialcontacts/2.12.0/namespacegoogle_1_1cloud_1_1essentialcontacts__v1) \n\nClasses\n-------\n\n### [EssentialContactsServiceClient](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceClient)\n\nManages contacts for important Google Cloud notifications.\n\n### [EssentialContactsServiceConnection](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnection)\n\nThe [`EssentialContactsServiceConnection`](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnection) object for [`EssentialContactsServiceClient`](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceClient).\n\n### [EssentialContactsServiceConnectionIdempotencyPolicy](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnectionIdempotencyPolicy)\n\n### [EssentialContactsServiceLimitedErrorCountRetryPolicy](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceLimitedErrorCountRetryPolicy)\n\nA retry policy for [`EssentialContactsServiceConnection`](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnection) based on counting errors.\n\n### [EssentialContactsServiceLimitedTimeRetryPolicy](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceLimitedTimeRetryPolicy)\n\nA retry policy for [`EssentialContactsServiceConnection`](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnection) based on elapsed time.\n\n### [EssentialContactsServiceRetryPolicy](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceRetryPolicy)\n\nThe retry policy for [`EssentialContactsServiceConnection`](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnection).\n\nStructs\n-------\n\n### [EssentialContactsServiceBackoffPolicyOption](/cpp/docs/reference/essentialcontacts/2.35.0/structgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceBackoffPolicyOption)\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### [EssentialContactsServiceConnectionIdempotencyPolicyOption](/cpp/docs/reference/essentialcontacts/2.35.0/structgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnectionIdempotencyPolicyOption)\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### [EssentialContactsServiceRetryPolicyOption](/cpp/docs/reference/essentialcontacts/2.35.0/structgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceRetryPolicyOption)\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### MakeEssentialContactsServiceConnection(Options)\n\nA factory function to construct an object of type [`EssentialContactsServiceConnection`](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [EssentialContactsServiceClient](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`EssentialContactsServiceConnection`](/cpp/docs/reference/essentialcontacts/2.35.0/classgoogle_1_1cloud_1_1essentialcontacts__v1_1_1EssentialContactsServiceConnection). 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::essentialcontacts_v1::EssentialContactsServicePolicyOptionList`](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### MakeDefaultEssentialContactsServiceConnectionIdempotencyPolicy()"]]
