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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 the Workflows API, which is a service for orchestrating Google Cloud and HTTP-based APIs via serverless workflows."],["The library provides `*Client` classes, like `ExecutionsClient` and `WorkflowsClient`, to facilitate all the RPCs for the Workflows service, enabling users to interact with the API effectively."],["The latest release candidate version is 2.37.0-rc, with a list of other versions provided ranging from 2.36.0 to 2.11.0, and the current focus of the page is on the 2.16.0 version."],["The library is in GA (General Availability) status, but it's important to note that it does not follow Semantic Versioning, and links are provided for error handling and various configurations."],["The webpage includes a quickstart code example that illustrates how to list workflows using the `WorkflowsClient`, allowing users to grasp the library's functionality quickly."]]],[]]
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