Merchant API code sample to create a primary product data source.

### Java

    // Copyright 2024 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.datasources.v1;
    import com.google.api.gax.core.FixedCredentialsProvider;
    import com.google.auth.oauth2.GoogleCredentials;
    import com.google.shopping.merchant.datasources.v1.CreateDataSourceRequest;
    import com.google.shopping.merchant.datasources.v1.DataSource;
    import com.google.shopping.merchant.datasources.v1.DataSourcesServiceClient;
    import com.google.shopping.merchant.datasources.v1.DataSourcesServiceSettings;
    import com.google.shopping.merchant.datasources.v1.PrimaryProductDataSource;
    import com.google.shopping.type.Destination.DestinationEnum;
    import shopping.merchant.samples.utils.Authenticator;
    import shopping.merchant.samples.utils.Config;

    /**
     * This class demonstrates how to create a primary product datasource for the "en" and "GB"
     * `feedLabel` and `contentLanguage` combination.
     */
    public class CreatePrimaryProductDataSourceSample {

      private static String getParent(String merchantId) {
        return String.format("accounts/%s", merchantId);
      }

      public static String createDataSource(Config config, String displayName) throws Exception {
        GoogleCredentials credential = new Authenticator().authenticate();

        DataSourcesServiceSettings dataSourcesServiceSettings =
            DataSourcesServiceSettings.newBuilder()
                .setCredentialsProvider(FixedCredentialsProvider.create(credential))
                .build();

        String parent = getParent(config.getAccountId().toString());

        // The type of data that this datasource will receive.
        PrimaryProductDataSource primaryProductDataSource =
            PrimaryProductDataSource.newBuilder()
                .addCountries("GB")
                .setContentLanguage("en")
                .setFeedLabel("GB")
                // The destinations do not necessarily have to be explicitly listed in which case the
                // default enabled destinations will be used.
                .addDestinations(
                    PrimaryProductDataSource.Destination.newBuilder()
                        .setDestination(DestinationEnum.FREE_LISTINGS)
                        .setState(PrimaryProductDataSource.Destination.State.ENABLED)
                        .build())
                .addDestinations(
                    PrimaryProductDataSource.Destination.newBuilder()
                        .setDestination(DestinationEnum.SHOPPING_ADS)
                        .setState(PrimaryProductDataSource.Destination.State.DISABLED)
                        .build())
                .build();

        try (DataSourcesServiceClient dataSourcesServiceClient =
            DataSourcesServiceClient.create(dataSourcesServiceSettings)) {

          CreateDataSourceRequest request =
              CreateDataSourceRequest.newBuilder()
                  .setParent(parent)
                  .setDataSource(
                      DataSource.newBuilder()
                          .setDisplayName(displayName)
                          .setPrimaryProductDataSource(primaryProductDataSource)
                          .build())
                  .build();

          System.out.println("Sending Create PrimaryProduct DataSource request");
          DataSource response = dataSourcesServiceClient.createDataSource(request);
          System.out.println("Created DataSource Name below");
          System.out.println(response.getName());
          return response.getName();
        }
      }

      public static void main(String[] args) throws Exception {
        Config config = Config.load();
        // The displayed datasource name in the Merchant Center UI.
        String displayName = "British Primary Product Data";

        createDataSource(config, displayName);
      }
    }

### PHP

    <?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\DataSources\V1\Client\DataSourcesServiceClient;
    use Google\Shopping\Merchant\DataSources\V1\CreateDataSourceRequest;
    use Google\Shopping\Merchant\DataSources\V1\DataSource;
    use Google\Shopping\Merchant\DataSources\V1\PrimaryProductDataSource;
    use Google\Shopping\Type\Destination\DestinationEnum;

    /**
     * This class demonstrates how to create a primary product datasource for the "en" and "GB"
     * `feedLabel` and `contentLanguage` combination.
     */
    class CreatePrimaryProductDataSourceSample
    {
        /**
         * A helper function to create the parent string for DataSource resources.
         *
         * @param string $accountId The Merchant Center account ID.
         * @return string The parent resource name in the format `accounts/{account_id}`.
         */
        private static function getParent(string $accountId): string
        {
            return sprintf("accounts/%s", $accountId);
        }

        /**
         * Creates a new primary product data source.
         *
         * @param array $config The configuration array containing the account ID.
         * @param string $displayName The display name for the new data source.
         * @return void
         */
        public static function createDataSourceSample(array $config, string $displayName): void
        {
            // Gets the OAuth credentials to make the request.
            $credentials = Authentication::useServiceAccountOrTokenFile();

            // Creates options config containing credentials for the client to use.
            $options = ['credentials' => $credentials];

            // Creates a DataSourcesServiceClient.
            $dataSourcesServiceClient = new DataSourcesServiceClient($options);

            // Constructs the parent resource name from the account ID.
            $parent = self::getParent($config['accountId']);

            // Defines the primary product data source specific settings.
            $primaryProductDataSource = new PrimaryProductDataSource([
                'countries' => ['GB'],
                'content_language' => 'en',
                'feed_label' => 'GB',
                // The destinations do not necessarily have to be explicitly listed in which case the
                // default enabled destinations will be used.
                'destinations' => [
                    new PrimaryProductDataSource\Destination([
                        'destination' => DestinationEnum::FREE_LISTINGS,
                        'state' => PrimaryProductDataSource\Destination\State::ENABLED
                    ]),
                    new PrimaryProductDataSource\Destination([
                        'destination' => DestinationEnum::SHOPPING_ADS,
                        'state' => PrimaryProductDataSource\Destination\State::DISABLED
                    ])
                ]
            ]);

            // Creates the DataSource object.
            $dataSource = new DataSource([
                'display_name' => $displayName,
                'primary_product_data_source' => $primaryProductDataSource
            ]);

            // Prepares the request message to create the data source.
            $request = new CreateDataSourceRequest([
                'parent' => $parent,
                'data_source' => $dataSource
            ]);

            // Calls the API and catches and prints any network failures/errors.
            try {
                print "Sending Create PrimaryProduct DataSource request\n";
                // Issues the create data source request.
                $response = $dataSourcesServiceClient->createDataSource($request);
                print("Created DataSource below\n");
                print($response->serializeToJsonString() . PHP_EOL);
            } catch (ApiException $e) {
                printf("ApiException was thrown: %s\n", $e->getMessage());
            }
        }

        /**
         * Helper to execute the sample.
         *
         * @return void
         */
        public function callSample(): void
        {
            $config = Config::generateConfig();
            // The displayed datasource name in the Merchant Center UI.
            $displayName = "British Primary Product Data";

            self::createDataSourceSample($config, $displayName);
        }
    }

    // Run the script.
    $sample = new CreatePrimaryProductDataSourceSample();
    $sample->callSample();

### Python

    # -*- 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.

    """Sample for creating a primary product data source."""
    from examples.authentication import configuration
    from examples.authentication import generate_user_credentials
    from google.shopping.merchant_datasources_v1 import CreateDataSourceRequest
    from google.shopping.merchant_datasources_v1 import DataSource
    from google.shopping.merchant_datasources_v1 import DataSourcesServiceClient
    from google.shopping.merchant_datasources_v1 import PrimaryProductDataSource
    # Used for setting the destination type, e.g., FREE_LISTINGS.
    from google.shopping.type import types as merchant_api_types


    def create_primary_product_data_source(
        account_id: str, display_name: str
    ) -> str:
      """Creates a primary product data source for the 'en' language and 'GB' region, targeting specific destinations.

      Args:
          account_id: The Merchant Center account ID.
          display_name: The user-visible name for the new data source in Merchant
            Center.

      Returns:
          The resource name of the newly created data source.
      """

      # Obtains OAuth 2.0 credentials for API authentication.
      credentials = generate_user_credentials.main()

      # Initializes the DataSourcesServiceClient with the obtained credentials.
      client = DataSourcesServiceClient(credentials=credentials)

      # Configures the PrimaryProductDataSource.
      # This section defines the core properties of the product data feed.
      primary_product_data_source = PrimaryProductDataSource()

      # Sets the target countries for this data source.
      primary_product_data_source.countries = ["GB"]
      # Sets the content language for the products.
      primary_product_data_source.content_language = "en"
      # Sets the feed label, often matching the country or language.
      primary_product_data_source.feed_label = "GB"

      # Defines the destinations for this data source and their states.
      # If destinations are not explicitly listed, defaults will be used.

      # Configure Free Listings destination (enabled).
      destination_free_listings = PrimaryProductDataSource.Destination()
      destination_free_listings.destination = (
          merchant_api_types.Destination.DestinationEnum.FREE_LISTINGS
      )
      destination_free_listings.state = (
          PrimaryProductDataSource.Destination.State.ENABLED
      )

      # Configure Shopping Ads destination (disabled).
      destination_shopping_ads = PrimaryProductDataSource.Destination()
      destination_shopping_ads.destination = (
          merchant_api_types.Destination.DestinationEnum.SHOPPING_ADS
      )
      destination_shopping_ads.state = (
          PrimaryProductDataSource.Destination.State.DISABLED
      )

      primary_product_data_source.destinations = [
          destination_free_listings,
          destination_shopping_ads,
      ]

      # Assembles the DataSource object.
      data_source = DataSource()
      data_source.display_name = display_name
      data_source.primary_product_data_source = primary_product_data_source

      # Constructs the parent resource name format for Data Source operations.
      parent = f"accounts/{account_id}"

      # Prepares the CreateDataSourceRequest.
      # This request includes the parent account and the data source configuration.
      request = CreateDataSourceRequest(parent=parent, data_source=data_source)

      try:
        # Executes the API call to create the data source.
        print("Sending Create PrimaryProduct DataSource request")
        response = client.create_data_source(request=request)
        # Confirms creation and prints the new data source's name.
        print("Created DataSource Name below")
        print(response)
        return response.name
      except RuntimeError as e:
        # Handles any errors encountered during the API request.
        print(e)
        raise


    if __name__ == "__main__":
      # Fetches the Merchant Center account ID from the configuration file.
      # This ID is essential for constructing the 'parent' resource path
      # required by the API.
      merchant_account_id = configuration.Configuration().read_merchant_info()
      # Sets the desired display name for the data source in Merchant Center.
      datasource_display_name = "British Primary Product Data"

      # Calls the function to create the data source.
      create_primary_product_data_source(
          merchant_account_id, datasource_display_name
      )