Unless otherwise configured, the client libraries use Application Default Credentials to authenticate with Google Cloud Services. While this works for most applications, in some cases you may need to override this default. You can do so by providing the UnifiedCredentialsOption The following example shows how to explicitly load a service account key file:
[](std::string const& keyfile) {
auto is = std::ifstream(keyfile);
is.exceptions(std::ios::badbit); // Minimal error handling in examples
auto contents = std::string(std::istreambuf_iterator<char>(is.rdbuf()), {});
auto options =
google::cloud::Options{}.set<google::cloud::UnifiedCredentialsOption>(
google::cloud::MakeServiceAccountCredentials(contents));
return google::cloud::talent_v4::CompanyServiceClient(
google::cloud::talent_v4::MakeCompanyServiceConnection(options));
}
Follow these links to find examples for other *Client classes:
[[["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 2025-04-09 UTC."],[[["The latest version available is 2.37.0-rc, with numerous other versions, starting from 2.36.0 down to 2.11.0, also accessible via links provided."],["The client libraries typically use Application Default Credentials for Google Cloud Service authentication, but this can be overridden when needed."],["To override default credentials, users can provide a `UnifiedCredentialsOption`, as demonstrated by loading a service account key file."],["Examples for overriding authentication are available for various `*Client` classes, including `talent_v4::CompanyServiceClient`, `talent_v4::CompletionClient`, `talent_v4::EventServiceClient`, `talent_v4::JobServiceClient`, and `talent_v4::TenantServiceClient`."],["For more information about managing service account keys, there is a link provided to the [Best practices for managing service account keys](https://cloud.google.com/iam/docs/best-practices-for-managing-service-account-keys) guide."]]],[]]
