This library uses the same mechanism (google::cloud::Options) and the common options as all other C++ client libraries for its configuration. Some *Option classes, which are only used in this library, are documented in this page.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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."],[],[],null,["# App Engine Admin API Configuration Options (2.39.0)\n\nVersion 2.39.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/appengine/latest/group__google-cloud-appengine-options)\n- [2.41.0](/cpp/docs/reference/appengine/2.41.0/group__google-cloud-appengine-options)\n- [2.40.0](/cpp/docs/reference/appengine/2.40.0/group__google-cloud-appengine-options)\n- [2.39.0](/cpp/docs/reference/appengine/2.39.0/group__google-cloud-appengine-options)\n- [2.38.0](/cpp/docs/reference/appengine/2.38.0/group__google-cloud-appengine-options)\n- [2.37.0](/cpp/docs/reference/appengine/2.37.0/group__google-cloud-appengine-options)\n- [2.36.0](/cpp/docs/reference/appengine/2.36.0/group__google-cloud-appengine-options)\n- [2.35.0](/cpp/docs/reference/appengine/2.35.0/group__google-cloud-appengine-options)\n- [2.34.0](/cpp/docs/reference/appengine/2.34.0/group__google-cloud-appengine-options)\n- [2.33.0](/cpp/docs/reference/appengine/2.33.0/group__google-cloud-appengine-options)\n- [2.32.0](/cpp/docs/reference/appengine/2.32.0/group__google-cloud-appengine-options)\n- [2.31.0](/cpp/docs/reference/appengine/2.31.0/group__google-cloud-appengine-options)\n- [2.30.0](/cpp/docs/reference/appengine/2.30.0/group__google-cloud-appengine-options)\n- [2.29.0](/cpp/docs/reference/appengine/2.29.0/group__google-cloud-appengine-options)\n- [2.28.0](/cpp/docs/reference/appengine/2.28.0/group__google-cloud-appengine-options)\n- [2.27.0](/cpp/docs/reference/appengine/2.27.0/group__google-cloud-appengine-options)\n- [2.26.0](/cpp/docs/reference/appengine/2.26.0/group__google-cloud-appengine-options)\n- [2.25.1](/cpp/docs/reference/appengine/2.25.1/group__google-cloud-appengine-options)\n- [2.24.0](/cpp/docs/reference/appengine/2.24.0/group__google-cloud-appengine-options)\n- [2.23.0](/cpp/docs/reference/appengine/2.23.0/group__google-cloud-appengine-options)\n- [2.22.1](/cpp/docs/reference/appengine/2.22.1/group__google-cloud-appengine-options)\n- [2.21.0](/cpp/docs/reference/appengine/2.21.0/group__google-cloud-appengine-options)\n- [2.20.0](/cpp/docs/reference/appengine/2.20.0/group__google-cloud-appengine-options)\n- [2.19.0](/cpp/docs/reference/appengine/2.19.0/group__google-cloud-appengine-options)\n- [2.18.0](/cpp/docs/reference/appengine/2.18.0/group__google-cloud-appengine-options)\n- [2.17.0](/cpp/docs/reference/appengine/2.17.0/group__google-cloud-appengine-options)\n- [2.16.0](/cpp/docs/reference/appengine/2.16.0/group__google-cloud-appengine-options)\n- [2.15.1](/cpp/docs/reference/appengine/2.15.1/group__google-cloud-appengine-options)\n- [2.14.0](/cpp/docs/reference/appengine/2.14.0/group__google-cloud-appengine-options)\n- [2.13.0](/cpp/docs/reference/appengine/2.13.0/group__google-cloud-appengine-options)\n- [2.12.0](/cpp/docs/reference/appengine/2.12.0/group__google-cloud-appengine-options)\n- [2.11.0](/cpp/docs/reference/appengine/2.11.0/group__google-cloud-appengine-options) \n\nApp Engine Admin API Configuration Options\n==========================================\n\nThis library uses the same mechanism ([`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html)) and the common [options](https://cloud.google.com/cpp/docs/reference/common/latest/group__options.html) as all other C++ client libraries for its configuration. Some `*Option` classes, which are only used in this library, are documented in this page.\n\n###### See Also\n\n[Client Library Configuration](https://cloud.google.com/cpp/docs/reference/common/latest/group__options.html) - for an overview of client library configuration.\n\n### Classes\n\n- [`google::cloud::appengine_v1::ApplicationsRetryPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1ApplicationsRetryPolicyOption)\n- [`google::cloud::appengine_v1::ApplicationsBackoffPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1ApplicationsBackoffPolicyOption)\n- [`google::cloud::appengine_v1::ApplicationsConnectionIdempotencyPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1ApplicationsConnectionIdempotencyPolicyOption)\n- [`google::cloud::appengine_v1::ApplicationsPollingPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1ApplicationsPollingPolicyOption)\n- [`google::cloud::appengine_v1::AuthorizedCertificatesRetryPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1AuthorizedCertificatesRetryPolicyOption)\n- [`google::cloud::appengine_v1::AuthorizedCertificatesBackoffPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1AuthorizedCertificatesBackoffPolicyOption)\n- [`google::cloud::appengine_v1::AuthorizedCertificatesConnectionIdempotencyPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1AuthorizedCertificatesConnectionIdempotencyPolicyOption)\n- [`google::cloud::appengine_v1::AuthorizedDomainsRetryPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1AuthorizedDomainsRetryPolicyOption)\n- [`google::cloud::appengine_v1::AuthorizedDomainsBackoffPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1AuthorizedDomainsBackoffPolicyOption)\n- [`google::cloud::appengine_v1::AuthorizedDomainsConnectionIdempotencyPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1AuthorizedDomainsConnectionIdempotencyPolicyOption)\n- [`google::cloud::appengine_v1::DomainMappingsRetryPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1DomainMappingsRetryPolicyOption)\n- [`google::cloud::appengine_v1::DomainMappingsBackoffPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1DomainMappingsBackoffPolicyOption)\n- [`google::cloud::appengine_v1::DomainMappingsConnectionIdempotencyPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1DomainMappingsConnectionIdempotencyPolicyOption)\n- [`google::cloud::appengine_v1::DomainMappingsPollingPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1DomainMappingsPollingPolicyOption)\n- [`google::cloud::appengine_v1::FirewallRetryPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1FirewallRetryPolicyOption)\n- [`google::cloud::appengine_v1::FirewallBackoffPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1FirewallBackoffPolicyOption)\n- [`google::cloud::appengine_v1::FirewallConnectionIdempotencyPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1FirewallConnectionIdempotencyPolicyOption)\n- [`google::cloud::appengine_v1::InstancesRetryPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1InstancesRetryPolicyOption)\n- [`google::cloud::appengine_v1::InstancesBackoffPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1InstancesBackoffPolicyOption)\n- [`google::cloud::appengine_v1::InstancesConnectionIdempotencyPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1InstancesConnectionIdempotencyPolicyOption)\n- [`google::cloud::appengine_v1::InstancesPollingPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1InstancesPollingPolicyOption)\n- [`google::cloud::appengine_v1::ServicesRetryPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1ServicesRetryPolicyOption)\n- [`google::cloud::appengine_v1::ServicesBackoffPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1ServicesBackoffPolicyOption)\n- [`google::cloud::appengine_v1::ServicesConnectionIdempotencyPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1ServicesConnectionIdempotencyPolicyOption)\n- [`google::cloud::appengine_v1::ServicesPollingPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1ServicesPollingPolicyOption)\n- [`google::cloud::appengine_v1::VersionsRetryPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1VersionsRetryPolicyOption)\n- [`google::cloud::appengine_v1::VersionsBackoffPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1VersionsBackoffPolicyOption)\n- [`google::cloud::appengine_v1::VersionsConnectionIdempotencyPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1VersionsConnectionIdempotencyPolicyOption)\n- [`google::cloud::appengine_v1::VersionsPollingPolicyOption`](/cpp/docs/reference/appengine/2.39.0/structgoogle_1_1cloud_1_1appengine__v1_1_1VersionsPollingPolicyOption)\n\n### Types\n\n- [`ApplicationsPolicyOptionList`](about:invalid#zCSafez)\n- [`AuthorizedCertificatesPolicyOptionList`](about:invalid#zCSafez)\n- [`AuthorizedDomainsPolicyOptionList`](about:invalid#zCSafez)\n- [`DomainMappingsPolicyOptionList`](about:invalid#zCSafez)\n- [`FirewallPolicyOptionList`](about:invalid#zCSafez)\n- [`InstancesPolicyOptionList`](about:invalid#zCSafez)\n- [`ServicesPolicyOptionList`](about:invalid#zCSafez)\n- [`VersionsPolicyOptionList`](about:invalid#zCSafez)"]]