Merchant API code sample to update a business identity.

### 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.accounts.businessidentities.v1;
    import com.google.api.gax.core.FixedCredentialsProvider;
    import com.google.auth.oauth2.GoogleCredentials;
    import com.google.protobuf.FieldMask;
    import com.google.shopping.merchant.accounts.v1.BusinessIdentity;
    import com.google.shopping.merchant.accounts.v1.BusinessIdentityName;
    import com.google.shopping.merchant.accounts.v1.BusinessIdentityServiceClient;
    import com.google.shopping.merchant.accounts.v1.BusinessIdentityServiceSettings;
    import com.google.shopping.merchant.accounts.v1.UpdateBusinessIdentityRequest;
    import shopping.merchant.samples.utils.Authenticator;
    import shopping.merchant.samples.utils.Config;

    /** This class demonstrates how to update a business identity. */
    public class UpdateBusinessIdentitySample {

      public static void updateBusinessIdentity(Config config) throws Exception {

        GoogleCredentials credential = new Authenticator().authenticate();

        BusinessIdentityServiceSettings businessIdentityServiceSettings =
            BusinessIdentityServiceSettings.newBuilder()
                .setCredentialsProvider(FixedCredentialsProvider.create(credential))
                .build();

        // Creates BusinessIdentity name to identify BusinessIdentity.
        String name =
            BusinessIdentityName.newBuilder()
                .setAccount(config.getAccountId().toString())
                .build()
                .toString();

        // Create a BusinessIdentity with the updated fields.
        BusinessIdentity businessIdentity =
            BusinessIdentity.newBuilder()
                .setName(name)
                .setSmallBusiness(
                    BusinessIdentity.IdentityAttribute.newBuilder()
                        .setIdentityDeclaration(
                            BusinessIdentity.IdentityAttribute.IdentityDeclaration.SELF_IDENTIFIES_AS)
                        .build())
                .build();

        FieldMask fieldMask = FieldMask.newBuilder().addPaths("small_business").build();

        try (BusinessIdentityServiceClient businessIdentityServiceClient =
            BusinessIdentityServiceClient.create(businessIdentityServiceSettings)) {

          UpdateBusinessIdentityRequest request =
              UpdateBusinessIdentityRequest.newBuilder()
                  .setBusinessIdentity(businessIdentity)
                  .setUpdateMask(fieldMask)
                  .build();

          System.out.println("Sending Update BusinessIdentity request");
          BusinessIdentity response = businessIdentityServiceClient.updateBusinessIdentity(request);
          System.out.println("Updated BusinessIdentity below");
          System.out.println(response);
        } catch (Exception e) {
          System.out.println(e);
        }
      }

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

        updateBusinessIdentity(config);
      }
    }

### 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\Protobuf\FieldMask;
    use Google\Shopping\Merchant\Accounts\V1\BusinessIdentity;
    use Google\Shopping\Merchant\Accounts\V1\Client\BusinessIdentityServiceClient;
    use Google\Shopping\Merchant\Accounts\V1\UpdateBusinessIdentityRequest;

    /**
     * This class demonstrates how to update a business identity.
     */
    class UpdateBusinessIdentitySample
    {

        /**
         * Updates the business identity for the given Merchant Center account.
         *
         * @param array $config The configuration data containing the account ID.
         * @return void
         */
        public static function updateBusinessIdentity($config)
        {
            // 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 client.
            $businessIdentityServiceClient = new BusinessIdentityServiceClient($options);

            // Creates BusinessIdentity name to identify the BusinessIdentity.
            // The name has the format: accounts/{account}/businessIdentity
            $name = "accounts/" . $config['accountId'] . "/businessIdentity";

            // Create a BusinessIdentity with the updated fields.
            $businessIdentity = (new BusinessIdentity())
                ->setName($name)
                ->setSmallBusiness(
                    (new BusinessIdentity\IdentityAttribute())
                        ->setIdentityDeclaration(
                            BusinessIdentity\IdentityAttribute\IdentityDeclaration::SELF_IDENTIFIES_AS
                        )
                );

            $fieldMask = (new FieldMask())
                ->setPaths(['small_business']);

            try {
                $request = (new UpdateBusinessIdentityRequest())
                    ->setBusinessIdentity($businessIdentity)
                    ->setUpdateMask($fieldMask);

                print "Sending Update BusinessIdentity request\n";
                $response = $businessIdentityServiceClient->updateBusinessIdentity($request);
                print "Updated BusinessIdentity below\n";
                print_r($response);
            } catch (ApiException $e) {
                print $e->getMessage();
            }
        }

        /**
         * Helper to execute the sample.
         *
         * @return void
         */
        public function callSample(): void
        {
            $config = Config::generateConfig();
            self::updateBusinessIdentity($config);
        }
    }

    // Run the script
    $sample = new UpdateBusinessIdentitySample();
    $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.
    """A module to update BusinessIdentity."""

    from examples.authentication import configuration
    from examples.authentication import generate_user_credentials
    from google.protobuf import field_mask_pb2
    from google.shopping.merchant_accounts_v1 import BusinessIdentity
    from google.shopping.merchant_accounts_v1 import BusinessIdentityServiceClient
    from google.shopping.merchant_accounts_v1 import UpdateBusinessIdentityRequest

    _ACCOUNT = configuration.Configuration().read_merchant_info()


    def update_business_identity():
      """Updates a business identity of a Merchant Center account."""

      credentials = generate_user_credentials.main()

      client = BusinessIdentityServiceClient(credentials=credentials)

      # Creates BusinessIdentity name to identify BusinessIdentity.
      name = "accounts/" + _ACCOUNT + "/businessIdentity"

      # Create a BusinessIdentity with the updated fields.
      business_identity = BusinessIdentity(
          name=name,
          small_business=BusinessIdentity.IdentityAttribute(
              identity_declaration=BusinessIdentity.IdentityAttribute.IdentityDeclaration.SELF_IDENTIFIES_AS,
          ),
      )

      field_mask = field_mask_pb2.FieldMask(paths=["small_business"])

      request = UpdateBusinessIdentityRequest(
          business_identity=business_identity, update_mask=field_mask
      )

      try:
        response = client.update_business_identity(request=request)
        print("Updated BusinessIdentity below")
        print(response)
      except RuntimeError as e:
        print(e)


    if __name__ == "__main__":
      update_business_identity()