Get a notification subscription

// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package shopping.merchant.samples.notifications.v1;

import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.shopping.merchant.notifications.v1.GetNotificationSubscriptionRequest;
import com.google.shopping.merchant.notifications.v1.NotificationSubscription;
import com.google.shopping.merchant.notifications.v1.NotificationSubscriptionName;
import com.google.shopping.merchant.notifications.v1.NotificationsApiServiceClient;
import com.google.shopping.merchant.notifications.v1.NotificationsApiServiceSettings;
import shopping.merchant.samples.utils.Authenticator;
import shopping.merchant.samples.utils.Config;

/**
 * This class demonstrates how to get a specific Notification Subscription for a given Merchant
 * Center account.
 */
public class GetNotificationSubscriptionSample {

  public static void getNotificationSubscription(Config config) throws Exception {

    // Obtains OAuth token based on the user's configuration.
    GoogleCredentials credential = new Authenticator().authenticate();

    // Creates service settings using the credentials retrieved above.
    NotificationsApiServiceSettings notificationsApiServiceSettings =
        NotificationsApiServiceSettings.newBuilder()
            .setCredentialsProvider(FixedCredentialsProvider.create(credential))
            .build();

    // Replace "YOUR_NOTIFICATION_SUBSCRIPTION_ID" with the actual ID.
    String notificationSubscriptionId = "YOUR_NOTIFICATION_SUBSCRIPTION_ID";

    // Creates notification subscription name to identify the subscription.
    String name =
        NotificationSubscriptionName.newBuilder()
            .setAccount(config.getAccountId().toString())
            .setNotificationSubscription(notificationSubscriptionId)
            .build()
            .toString();

    // Calls the API and catches and prints any network failures/errors.
    try (NotificationsApiServiceClient notificationSubscriptionServiceClient =
        NotificationsApiServiceClient.create(notificationsApiServiceSettings)) {

      // The name has the format:
      // accounts/{account}/notificationSubscription/{notification_subscription}
      GetNotificationSubscriptionRequest request =
          GetNotificationSubscriptionRequest.newBuilder().setName(name).build();

      System.out.println("Sending get Notification Subscription request:");
      NotificationSubscription response =
          notificationSubscriptionServiceClient.getNotificationSubscription(request);

      System.out.println("Retrieved Notification Subscription below:");
      System.out.println(response);
    } catch (Exception e) {
      System.out.println(e);
    }
  }

  public static void main(String[] args) throws Exception {
    Config config = Config.load();
    getNotificationSubscription(config);
  }
}
GetNotificationSubscriptionSample.java

<?php
/**
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

require_once __DIR__ . '/../../../vendor/autoload.php';
require_once __DIR__ . '/../../Authentication/Authentication.php';
require_once __DIR__ . '/../../Authentication/Config.php';
use Google\ApiCore\ApiException;
use Google\Shopping\Merchant\Notifications\V1\Client\NotificationsApiServiceClient;
use Google\Shopping\Merchant\Notifications\V1\GetNotificationSubscriptionRequest;

/**
 * Gets a Notification Subscription.
 */
class GetNotificationSubscription
{
    /**
     * Gets a specific Notification Subscription for a given Merchant Center account.
     *
     * @param array $config
     *  Configuration data for authentication and account details.
     * @param string $notificationSubscriptionId
     *  The ID of the notification subscription to retrieve.
     * @throws ApiException
     */
    public static function getNotificationSubscriptionSample($config, $notificationSubscriptionId): void
    {
        // Get OAuth credentials.
        $credentials = Authentication::useServiceAccountOrTokenFile();

        // Set up client options.
        $options = ['credentials' => $credentials];

        // Create a client instance.
        $notificationsApiServiceClient = new NotificationsApiServiceClient($options);

        // Construct the resource name.
        $name = "accounts/" . $config['accountId'] .
            "/notificationsubscriptions/" . $notificationSubscriptionId;

        // Create the request object.
        $request = new GetNotificationSubscriptionRequest(['name' => $name]);

        print "Sending get Notification Subscription request:\n";

        // Make the API call.
        try {
            $response = $notificationsApiServiceClient->getNotificationSubscription($request);
            print "Retrieved Notification Subscription below:\n";
            print_r($response);
        } catch (ApiException $e) {
            print "Request failed:\n";
            print $e->getMessage() . "\n";
        }
    }

    /**
     * Execute the sample.
     *
     * @throws ApiException
     */
    public function callSample(): void
    {
        $config = Config::generateConfig();
        // Replace with the actual notification subscription ID.
        $notificationSubscriptionId = "YOUR_NOTIFICATION_SUBSCRIPTION_ID";

        self::getNotificationSubscriptionSample($config, $notificationSubscriptionId);
    }
}

// Run the script.
$sample = new GetNotificationSubscription();
$sample->callSample();
GetNotificationSubscriptionSample.php

# -*- coding: utf-8 -*-
# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""A module to get NotificationSubscription."""

from examples.authentication import configuration
from examples.authentication import generate_user_credentials
from google.shopping.merchant_notifications_v1 import GetNotificationSubscriptionRequest
from google.shopping.merchant_notifications_v1 import NotificationsApiServiceClient

_ACCOUNT = configuration.Configuration().read_merchant_info()


def get_notification_subscription():
  """Gets a specific Notification Subscription for a given Merchant Center account."""

  # Gets OAuth Credentials.
  credentials = generate_user_credentials.main()

  # Creates a client.
  client = NotificationsApiServiceClient(credentials=credentials)

  # Replace "YOUR_NOTIFICATION_SUBSCRIPTION_ID" with the actual ID.
  notification_subscription_id = "YOUR_NOTIFICATION_SUBSCRIPTION_ID"

  # Creates notification subscription name to identify the subscription.
  name = f"accounts/{_ACCOUNT}/notificationsubscriptions/{notification_subscription_id}"

  # Creates the request.
  request = GetNotificationSubscriptionRequest(name=name)

  print("Sending get Notification Subscription request:")
  # Makes the request and catches and prints any error messages.
  try:
    response = client.get_notification_subscription(request=request)
    print("Retrieved Notification Subscription below:")
    print(response)
  except RuntimeError as e:
    print(e)


if __name__ == "__main__":
  get_notification_subscription()
get_notification_subscription_sample.py