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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/location.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;
}
auto const location = google::cloud::Location(argv[1], argv[2]);
namespace workflows = ::google::cloud::workflows_v1;
auto client =
workflows::WorkflowsClient(workflows::MakeWorkflowsConnection());
for (auto w : client.ListWorkflows(location.FullName())) {
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 is used to automate and orchestrate Google Cloud and HTTP-based services."],["The latest release candidate version of the C++ Workflows API client library is 2.37.0-rc, and the library includes versions back to 2.11.0."],["The C++ client library does not follow Semantic Versioning and this webpage lists main client classes such as `workflows_executions_v1::ExecutionsClient` and `workflows_v1::WorkflowsClient`."],["The webpage provides information on how to handle errors, override endpoints and authentication, configure retry policies, and utilize environment variables with the Workflows API C++ client library."],["A quickstart code example demonstrates how to use the `WorkflowsClient` to list workflows using the Workflows Executions API."]]],[]]
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