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An idiomatic C++ client library for Workflows API, a service to orchestrate and automate Google Cloud and HTTP-based API services with serverless workflows.
While this library is GA, please note Google Cloud C++ client libraries do not follow Semantic Versioning.
QuickstartThe following shows the code that you'll run in the google/cloud/workflows/quickstart/ directory, which should give you a taste of the Workflow Executions API C++ client library API.
#include "google/cloud/workflows/v1/workflows_client.h"
#include "google/cloud/project.h"
#include <iostream>
int main(int argc, char* argv[]) try {
if (argc != 3) {
std::cerr << "Usage: " << argv[0] << " project-id location-id\n";
return 1;
}
namespace workflows = ::google::cloud::workflows_v1;
auto client =
workflows::WorkflowsClient(workflows::MakeWorkflowsConnection());
auto const parent =
std::string{"projects/"} + argv[1] + "/locations/" + argv[2];
for (auto w : client.ListWorkflows(parent)) {
if (!w) throw std::move(w).status();
std::cout << w->DebugString() << "\n";
}
return 0;
} catch (google::cloud::Status const& status) {
std::cerr << "google::cloud::Status thrown: " << status << "\n";
return 1;
}
This library offers multiple *Client classes, which are listed below. Each one of these classes exposes all the RPCs for a service as member functions of the class. This library groups multiple services because they are part of the same product or are often used together. A typical example may be the administrative and data plane operations for a single product.
The library also has other classes that provide helpers, configuration parameters, and infrastructure to mock the *Client classes when testing your application.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-14 UTC.
[[["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 2025-08-14 UTC."],[[["This webpage details the C++ client library for Google Cloud's Workflows API, which facilitates the orchestration and automation of Google Cloud and HTTP-based API services."],["The library is generally available (GA), but users should note that Google Cloud C++ client libraries do not adhere to Semantic Versioning."],["The library offers `ExecutionsClient` and `WorkflowsClient` classes, enabling developers to access Remote Procedure Calls (RPCs) for relevant services, and also includes supplementary classes for helpers, configuration, and testing."],["The `ListWorkflows` method for the `WorkflowsClient` class is shown in a quickstart example, demonstrating how to list all workflows using a project and location identifier as arguments."],["A list of documentation links is available to explore more information, such as how to override endpoints, authentication credentials, retry policies and also a guide for environment variables."]]],[]]
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