Erste Schritte mit dem Kundenabgleich

// Creates a raw input list of unhashed user information, where each element of the list
// represents a single user and is a map containing a separate entry for the keys "email",
// "phone", "firstName", "lastName", "countryCode", and "postalCode". In your application, this
// data might come from a file or a database.
List<Map<String, String>> rawRecords = new ArrayList<>();
// The first user data has an email address and a phone number.
Map<String, String> rawRecord1 =
    ImmutableMap.<String, String>builder()
        .put("email", "dana@example.com")
        // Phone number to be converted to E.164 format, with a leading '+' as required. This
        // includes whitespace that will be removed later.
        .put("phone", "+1 800 5550101")
        .build();
// The second user data has an email address, a mailing address, and a phone number.
Map<String, String> rawRecord2 =
    ImmutableMap.<String, String>builder()
        // Email address that includes a period (.) before the domain.
        .put("email", "alex.2@example.com")
        // Address that includes all four required elements: first name, last name, country
        // code, and postal code.
        .put("firstName", "Alex")
        .put("lastName", "Quinn")
        .put("countryCode", "US")
        .put("postalCode", "94045")
        // Phone number to be converted to E.164 format, with a leading '+' as required.
        .put("phone", "+1 800 5550102")
        .build();
// The third user data only has an email address.
Map<String, String> rawRecord3 =
    ImmutableMap.<String, String>builder().put("email", "charlie@example.com").build();
// Adds the raw records to the raw input list.
rawRecords.add(rawRecord1);
rawRecords.add(rawRecord2);
rawRecords.add(rawRecord3);

// Iterates over the raw input list and creates a UserData object for each record.
List<UserData> userDataList = new ArrayList<>();
for (Map<String, String> rawRecord : rawRecords) {
  // Creates a builder for the UserData object that represents a member of the user list.
  UserData.Builder userDataBuilder = UserData.newBuilder();
  // Checks if the record has email, phone, or address information, and adds a SEPARATE
  // UserIdentifier object for each one found. For example, a record with an email address and a
  // phone number will result in a UserData with two UserIdentifiers.

  // IMPORTANT: Since the identifier attribute of UserIdentifier
  // (https://developers.google.com/google-ads/api/reference/rpc/latest/UserIdentifier) is a
  // oneof
  // (https://protobuf.dev/programming-guides/proto3/#oneof-features), you must set only ONE of
  // hashedEmail, hashedPhoneNumber, mobileId, thirdPartyUserId, or addressInfo. Setting more
  // than one of these attributes on the same UserIdentifier will clear all the other members
  // of the oneof. For example, the following code is INCORRECT and will result in a
  // UserIdentifier with ONLY a hashedPhoneNumber.
  //
  // UserIdentifier incorrectlyPopulatedUserIdentifier =
  //     UserIdentifier.newBuilder()
  //         .setHashedEmail("...")
  //         .setHashedPhoneNumber("...")
  //         .build();
  //
  // The separate 'if' statements below demonstrate the correct approach for creating a UserData
  // for a member with multiple UserIdentifiers.

  // Checks if the record has an email address, and if so, adds a UserIdentifier for it.
  if (rawRecord.containsKey("email")) {
    UserIdentifier hashedEmailIdentifier =
        UserIdentifier.newBuilder()
            .setHashedEmail(normalizeAndHash(sha256Digest, rawRecord.get("email"), true))
            .build();
    // Adds the hashed email identifier to the UserData object's list.
    userDataBuilder.addUserIdentifiers(hashedEmailIdentifier);
  }

  // Checks if the record has a phone number, and if so, adds a UserIdentifier for it.
  if (rawRecord.containsKey("phone")) {
    UserIdentifier hashedPhoneNumberIdentifier =
        UserIdentifier.newBuilder()
            .setHashedPhoneNumber(normalizeAndHash(sha256Digest, rawRecord.get("phone"), true))
            .build();
    // Adds the hashed phone number identifier to the UserData object's list.
    userDataBuilder.addUserIdentifiers(hashedPhoneNumberIdentifier);
  }

  // Checks if the record has all the required mailing address elements, and if so, adds a
  // UserIdentifier for the mailing address.
  if (rawRecord.containsKey("firstName")) {
    // Checks if the record contains all the other required elements of a mailing address.
    Set<String> missingAddressKeys = new HashSet<>();
    for (String addressKey : new String[] {"lastName", "countryCode", "postalCode"}) {
      if (!rawRecord.containsKey(addressKey)) {
        missingAddressKeys.add(addressKey);
      }
    }

    if (!missingAddressKeys.isEmpty()) {
      System.out.printf(
          "Skipping addition of mailing address information because the following required keys"
              + " are missing: %s%n",
          missingAddressKeys);
    } else {
      // Creates an OfflineUserAddressInfo object that contains all the required elements of a
      // mailing address.
      OfflineUserAddressInfo addressInfo =
          OfflineUserAddressInfo.newBuilder()
              .setHashedFirstName(
                  normalizeAndHash(sha256Digest, rawRecord.get("firstName"), false))
              .setHashedLastName(
                  normalizeAndHash(sha256Digest, rawRecord.get("lastName"), false))
              .setCountryCode(rawRecord.get("countryCode"))
              .setPostalCode(rawRecord.get("postalCode"))
              .build();
      UserIdentifier addressIdentifier =
          UserIdentifier.newBuilder().setAddressInfo(addressInfo).build();
      // Adds the address identifier to the UserData object's list.
      userDataBuilder.addUserIdentifiers(addressIdentifier);
    }
  }

  if (!userDataBuilder.getUserIdentifiersList().isEmpty()) {
    // Builds the UserData and adds it to the list.
    userDataList.add(userDataBuilder.build());
  }
}

// Creates the operations to add users.
List<OfflineUserDataJobOperation> operations = new ArrayList<>();
for (UserData userData : userDataList) {
  operations.add(OfflineUserDataJobOperation.newBuilder().setCreate(userData).build());
}
AddCustomerMatchUserList.java
      

// Creates a raw input list of unhashed user information, where each element of the list
// represents a single user and is a map containing a separate entry for the keys
// "email", "phone", "firstName", "lastName", "countryCode", and "postalCode".
// In your application, this data might come from a file or a database.
List<Dictionary<string, string>> rawRecords = new List<Dictionary<string, string>>();

// The first user data has an email address and a phone number.
Dictionary<string, string> rawRecord1 = new Dictionary<string, string>();
rawRecord1.Add("email", "dana@example.com");
// Phone number to be converted to E.164 format, with a leading '+' as required.
// This includes whitespace that will be removed later.
rawRecord1.Add("phone", "+1 800 5550101");

// The second user data has an email address, a mailing address, and a phone number.
Dictionary<string, string> rawRecord2 = new Dictionary<string, string>();
// Email address that includes a period (.) before the Gmail domain.
rawRecord2.Add("email", "alex.2@example.com");
// Address that includes all four required elements: first name, last name, country
// code, and postal code.
rawRecord2.Add("firstName", "Alex");
rawRecord2.Add("lastName", "Quinn");
rawRecord2.Add("countryCode", "US");
rawRecord2.Add("postalCode", "94045");
// Phone number to be converted to E.164 format, with a leading '+' as required.
// This includes whitespace that will be removed later.
rawRecord2.Add("phone", "+1 800 5550102");

// The third user data only has an email address.
Dictionary<string, string> rawRecord3 = new Dictionary<string, string>();
rawRecord3.Add("email", "charlie@example.com");

// Adds the raw records to the raw input list.
rawRecords.Add(rawRecord1);
rawRecords.Add(rawRecord2);
rawRecords.Add(rawRecord3);

// Iterates over the raw input list and creates a UserData object for each record.
List<UserData> userDataList = new List<UserData>();
foreach (Dictionary<string, string> rawRecord in rawRecords) {
    // Creates a UserData object that represents a member of the user list.
    UserData userData = new UserData();
    // Checks if the record has email, phone, or address information, and adds a
    // SEPARATE UserIdentifier object for each one found.
    // For example, a record with an email address and a phone number will result in a
    // UserData with two UserIdentifiers.

    // IMPORTANT: Since the identifier attribute of UserIdentifier
    // (https://developers.google.com/google-ads/api/reference/rpc/latest/UserIdentifier)
    // is a oneof
    // (https://protobuf.dev/programming-guides/proto3/#oneof-features), you must set
    // only ONE of hashedEmail, hashedPhoneNumber, mobileId, thirdPartyUserId,
    // or addressInfo.
    // Setting more than one of these attributes on the same UserIdentifier will clear
    // all the other members of the oneof.
    // For example, the following code is INCORRECT and will result in a UserIdentifier
    // with ONLY a hashedPhoneNumber.
    //
    // UserIdentifier incorrectlyPopulatedUserIdentifier = new UserIdentifier()
    // {
    //      HashedEmail = "...",
    //      HashedPhoneNumber = "..."
    // };
    //
    // The separate 'if' statements below demonstrate the correct approach for creating
    // a UserData for a member with multiple UserIdentifiers.

    // Checks if the record has an email address, and if so, adds a UserIdentifier
    // for it.
    if (rawRecord.ContainsKey("email")) {
        UserIdentifier hashedEmailIdentifier = new UserIdentifier()
        {
            HashedEmail = NormalizeAndHash(rawRecord["email"], true)
        };

        userData.UserIdentifiers.Add(hashedEmailIdentifier);
    }

    // Checks if the record has a phone number, and if so, adds a UserIdentifier for it.
    if (rawRecord.ContainsKey("phone")) {
        UserIdentifier hashedPhoneNumberIdentifier = new UserIdentifier()
        {
            HashedPhoneNumber = NormalizeAndHash(rawRecord["phone"], true)
        };

        // Adds the hashed phone number identifier to the UserData object's list.
        userData.UserIdentifiers.Add(hashedPhoneNumberIdentifier);
    }

    // Checks if the record has all the required mailing address elements, and if so,
    // adds a UserIdentifier for the mailing address.
    if (rawRecord.ContainsKey("firstName")) {
        // Checks if the record contains all the other required elements of a mailing
        // address.
        HashSet<string> missingAddressKeys = new HashSet<string>();
        foreach (string addressKey in new string[] {"lastName", "countryCode",
            "postalCode"}) {
        if (!rawRecord.ContainsKey(addressKey)) {
            missingAddressKeys.Add(addressKey);
        }
        }

        if (!missingAddressKeys.Any()) {
        Console.WriteLine(
            $"Skipping addition of mailing address information because the following " +
                "required keys are missing: {missingAddressKeys}");
        } else {
            // Creates an OfflineUserAddressInfo object that contains all the required
            // elements of a mailing address.
            OfflineUserAddressInfo addressInfo = new OfflineUserAddressInfo()
            {
                HashedFirstName = NormalizeAndHash(rawRecord["firstName"]),
                HashedLastName = NormalizeAndHash(rawRecord["lastName"]),
                CountryCode = rawRecord["countryCode"],
                PostalCode = rawRecord["postalCode"]
            };

            UserIdentifier addressIdentifier = new UserIdentifier()
            {
                AddressInfo = addressInfo
            };

            // Adds the address identifier to the UserData object's list.
            userData.UserIdentifiers.Add(addressIdentifier);
        }
    }

    if (userData.UserIdentifiers.Any())
    {
        userDataList.Add(userData);
    }
}

// Creates the operations to add the users.
List<OfflineUserDataJobOperation> operations = new List<OfflineUserDataJobOperation>();
foreach(UserData userData in userDataList)
{
    operations.Add(new OfflineUserDataJobOperation()
    {
        Create = userData
    });
}
AddCustomerMatchUserList.cs
      

// Creates a raw input list of unhashed user information, where each element of the list
// represents a single user and is a map containing a separate entry for the keys 'email',
// 'phone', 'firstName', 'lastName', 'countryCode', and 'postalCode'. In your application,
// this data might come from a file or a database.
$rawRecords = [];
// The first user data has an email address and a phone number.
$rawRecord1 = [
    // The first user data has an email address and a phone number.
    'email' => 'dana@example.com',
    // Phone number to be converted to E.164 format, with a leading '+' as required. This
    // includes whitespace that will be removed later.
    'phone' => '+1 800 5550101'
];
$rawRecords[] = $rawRecord1;

// The second user data has an email address, a mailing address, and a phone number.
$rawRecord2 = [
    // Email address that includes a period (.) before the Gmail domain.
    'email' => 'alex.2@example.com',
    // Address that includes all four required elements: first name, last name, country
    // code, and postal code.
    'firstName' => 'Alex',
    'lastName' => 'Quinn',
    'countryCode' => 'US',
    'postalCode' => '94045',
    // Phone number to be converted to E.164 format, with a leading '+' as required.
    'phone' => '+1 800 5550102',
];
$rawRecords[] = $rawRecord2;

// The third user data only has an email address.
$rawRecord3 = ['email' => 'charlie@example.com'];
$rawRecords[] = $rawRecord3;

// Iterates over the raw input list and creates a UserData object for each record.
$userDataList = [];
foreach ($rawRecords as $rawRecord) {
    // Checks if the record has email, phone, or address information, and adds a SEPARATE
    // UserIdentifier object for each one found. For example, a record with an email address
    // and a phone number will result in a UserData with two UserIdentifiers.

    // IMPORTANT: Since the identifier attribute of UserIdentifier
    // (https://developers.google.com/google-ads/api/reference/rpc/latest/UserIdentifier) is
    // a oneof
    // (https://protobuf.dev/programming-guides/proto3/#oneof-features), you must set only
    // ONE of 'hashed_email, 'hashed_phone_number', 'mobile_id', 'third_party_user_id', or
    // 'address_info'.
    // Setting more than one of these attributes on the same UserIdentifier will clear all
    // the other members of the oneof. For example, the following code is INCORRECT and will
    // result in a UserIdentifier with ONLY a 'hashed_phone_number'.
    //
    // $incorrectlyPopulatedUserIdentifier = new UserIdentifier();
    // $incorrectlyPopulatedUserIdentifier->setHashedEmail('...');
    // $incorrectlyPopulatedUserIdentifier->setHashedPhoneNumber('...');
    //
    // The separate 'if' statements below demonstrate the correct approach for creating a
    // UserData for a member with multiple UserIdentifiers.

    $userIdentifiers = [];
    // Checks if the record has an email address, and if so, adds a UserIdentifier for it.
    if (array_key_exists('email', $rawRecord)) {
        $hashedEmailIdentifier = new UserIdentifier([
            'hashed_email' => self::normalizeAndHash($rawRecord['email'], true)
        ]);
        // Adds the hashed email identifier to the user identifiers list.
        $userIdentifiers[] = $hashedEmailIdentifier;
    }

    // Checks if the record has a phone number, and if so, adds a UserIdentifier for it.
    if (array_key_exists('phone', $rawRecord)) {
        $hashedPhoneNumberIdentifier = new UserIdentifier([
            'hashed_phone_number' => self::normalizeAndHash($rawRecord['phone'], true)
        ]);
        // Adds the hashed email identifier to the user identifiers list.
        $userIdentifiers[] = $hashedPhoneNumberIdentifier;
    }

    // Checks if the record has all the required mailing address elements, and if so, adds a
    // UserIdentifier for the mailing address.
    if (array_key_exists('firstName', $rawRecord)) {
        // Checks if the record contains all the other required elements of a mailing
        // address.
        $missingAddressKeys = [];
        foreach (['lastName', 'countryCode', 'postalCode'] as $addressKey) {
            if (!array_key_exists($addressKey, $rawRecord)) {
                $missingAddressKeys[] = $addressKey;
            }
        }
        if (!empty($missingAddressKeys)) {
            printf(
                "Skipping addition of mailing address information because the "
                . "following required keys are missing: %s%s",
                json_encode($missingAddressKeys),
                PHP_EOL
            );
        } else {
            // Creates an OfflineUserAddressInfo object that contains all the required
            // elements of a mailing address.
            $addressIdentifier = new UserIdentifier([
               'address_info' => new OfflineUserAddressInfo([
                   'hashed_first_name' => self::normalizeAndHash(
                       $rawRecord['firstName'],
                       false
                   ),
                   'hashed_last_name' => self::normalizeAndHash(
                       $rawRecord['lastName'],
                       false
                   ),
                   'country_code' => $rawRecord['countryCode'],
                   'postal_code' => $rawRecord['postalCode']
               ])
            ]);
            // Adds the address identifier to the user identifiers list.
            $userIdentifiers[] = $addressIdentifier;
        }
    }
    if (!empty($userIdentifiers)) {
        // Builds the UserData and adds it to the list.
        $userDataList[] = new UserData(['user_identifiers' => $userIdentifiers]);
    }
}

// Creates the operations to add users.
$operations = array_map(
    function (UserData $userData) {
        return new OfflineUserDataJobOperation(['create' => $userData]);
    },
    $userDataList
);
AddCustomerMatchUserList.php
      

def build_offline_user_data_job_operations(client):
    """Creates a raw input list of unhashed user information.

    Each element of the list represents a single user and is a dict containing a
    separate entry for the keys "email", "phone", "first_name", "last_name",
    "country_code", and "postal_code". In your application, this data might come
    from a file or a database.

    Args:
        client: The Google Ads client.

    Returns:
        A list containing the operations.
    """
    # The first user data has an email address and a phone number.
    raw_record_1 = {
        "email": "dana@example.com",
        # Phone number to be converted to E.164 format, with a leading '+' as
        # required. This includes whitespace that will be removed later.
        "phone": "+1 800 5550101",
    }

    # The second user data has an email address, a mailing address, and a phone
    # number.
    raw_record_2 = {
        # Email address that includes a period (.) before the email domain.
        "email": "alex.2@example.com",
        # Address that includes all four required elements: first name, last
        # name, country code, and postal code.
        "first_name": "Alex",
        "last_name": "Quinn",
        "country_code": "US",
        "postal_code": "94045",
        # Phone number to be converted to E.164 format, with a leading '+' as
        # required.
        "phone": "+1 800 5550102",
    }

    # The third user data only has an email address.
    raw_record_3 = {"email": "charlie@example.com"}

    # Adds the raw records to a raw input list.
    raw_records = [raw_record_1, raw_record_2, raw_record_3]

    operations = []
    # Iterates over the raw input list and creates a UserData object for each
    # record.
    for record in raw_records:
        # Creates a UserData object that represents a member of the user list.
        user_data = client.get_type("UserData")

        # Checks if the record has email, phone, or address information, and
        # adds a SEPARATE UserIdentifier object for each one found. For example,
        # a record with an email address and a phone number will result in a
        # UserData with two UserIdentifiers.

        # IMPORTANT: Since the identifier attribute of UserIdentifier
        # (https://developers.google.com/google-ads/api/reference/rpc/latest/UserIdentifier)
        # is a oneof
        # (https://protobuf.dev/programming-guides/proto3/#oneof-features), you
        # must set only ONE of hashed_email, hashed_phone_number, mobile_id,
        # third_party_user_id, or address-info. Setting more than one of these
        # attributes on the same UserIdentifier will clear all the other members
        # of the oneof. For example, the following code is INCORRECT and will
        # result in a UserIdentifier with ONLY a hashed_phone_number:

        # incorrect_user_identifier = client.get_type("UserIdentifier")
        # incorrect_user_identifier.hashed_email = "..."
        # incorrect_user_identifier.hashed_phone_number = "..."

        # The separate 'if' statements below demonstrate the correct approach
        # for creating a UserData object for a member with multiple
        # UserIdentifiers.

        # Checks if the record has an email address, and if so, adds a
        # UserIdentifier for it.
        if "email" in record:
            user_identifier = client.get_type("UserIdentifier")
            user_identifier.hashed_email = normalize_and_hash(
                record["email"], True
            )
            # Adds the hashed email identifier to the UserData object's list.
            user_data.user_identifiers.append(user_identifier)

        # Checks if the record has a phone number, and if so, adds a
        # UserIdentifier for it.
        if "phone" in record:
            user_identifier = client.get_type("UserIdentifier")
            user_identifier.hashed_phone_number = normalize_and_hash(
                record["phone"], True
            )
            # Adds the hashed phone number identifier to the UserData object's
            # list.
            user_data.user_identifiers.append(user_identifier)

        # Checks if the record has all the required mailing address elements,
        # and if so, adds a UserIdentifier for the mailing address.
        if "first_name" in record:
            required_keys = ("last_name", "country_code", "postal_code")
            # Checks if the record contains all the other required elements of
            # a mailing address.
            if not all(key in record for key in required_keys):
                # Determines which required elements are missing from the
                # record.
                missing_keys = record.keys() - required_keys
                print(
                    "Skipping addition of mailing address information "
                    "because the following required keys are missing: "
                    f"{missing_keys}"
                )
            else:
                user_identifier = client.get_type("UserIdentifier")
                address_info = user_identifier.address_info
                address_info.hashed_first_name = normalize_and_hash(
                    record["first_name"], False
                )
                address_info.hashed_last_name = normalize_and_hash(
                    record["last_name"], False
                )
                address_info.country_code = record["country_code"]
                address_info.postal_code = record["postal_code"]
                user_data.user_identifiers.append(user_identifier)

        # If the user_identifiers repeated field is not empty, create a new
        # OfflineUserDataJobOperation and add the UserData to it.
        if user_data.user_identifiers:
            operation = client.get_type("OfflineUserDataJobOperation")
            operation.create = user_data
            operations.append(operation)
add_customer_match_user_list.py
      

# Create a list of unhashed user data records that we will format in the
# following steps to prepare for the API.
raw_records = [
  # The first user data has an email address and a phone number.
  {
    email: 'dana@example.com',
    # Phone number to be converted to E.164 format, with a leading '+' as
    # required. This includes whitespace that will be removed later.
    phone: '+1 800 5550100',
  },
  # The second user data has an email address, a phone number, and an address.
  {
    # Email address that includes a period (.) before the Gmail domain.
    email: 'alex.2@example.com',
    # Address that includes all four required elements: first name, last
    # name, country code, and postal code.
    first_name: 'Alex',
    last_name: 'Quinn',
    country_code: 'US',
    postal_code: '94045',
    # Phone number to be converted to E.164 format, with a leading '+' as
    # required.
    phone: '+1 800 5550102',
  },
  # The third user data only has an email address.
  {
    email: 'charlie@example.com',
  },
]

# Create a UserData for each entry in the raw records.
user_data_list = raw_records.map do |record|
  client.resource.user_data do |data|
    if record[:email]
      data.user_identifiers << client.resource.user_identifier do |ui|
        ui.hashed_email = normalize_and_hash(record[:email], true)
      end
    end
    if record[:phone]
      data.user_identifiers << client.resource.user_identifier do |ui|
        ui.hashed_phone_number = normalize_and_hash(record[:phone], true)
      end
    end
    if record[:first_name]
      # Check that we have all the required information.
      missing_keys = [:last_name, :country_code, :postal_code].reject {|key|
        record[key].nil?
      }
      if missing_keys.empty?
        # If nothing is missing, add the address.
        data.user_identifiers << client.resource.user_identifier do |ui|
          ui.address_identifier = client.resource.offline_user_address_info do |address|
            address.hashed_first_name = normalize_and_hash(record[:first_name])
            address.hashed_last_name = normalize_and_hash(record[:last_name])
            address.country_code = record[:country_code]
            address.postal_code = record[:postal_code]
          end
        end
      else
        # If some data is missing, skip this entry.
        puts "Skipping addition of mailing information because the following keys are missing:" \
          "#{missing_keys}"
      end
    end
  end
end

operations = user_data_list.map do |user_data|
  client.operation.create_resource.offline_user_data_job(user_data)
end
add_customer_match_user_list.rb
      

  # The first user data has an email address and a phone number.
  my $raw_record_1 = {
    email => 'dana@example.com',
    # Phone number to be converted to E.164 format, with a leading '+' as
    # required. This includes whitespace that will be removed later.
    phone => '+1 800 5550101',
  };

  # The second user data has an email address, a mailing address, and a phone
  # number.
  my $raw_record_2 = {
    # Email address that includes a period (.) before the Gmail domain.
    email => 'alex.2@example.com',
    # Address that includes all four required elements: first name, last
    # name, country code, and postal code.
    firstName   => 'Alex',
    lastName    => 'Quinn',
    countryCode => 'US',
    postalCode  => '94045',
    # Phone number to be converted to E.164 format, with a leading '+' as
    # required.
    phone => '+1 800 5550102',
  };

  # The third user data only has an email address.
  my $raw_record_3 = {email => 'charlie@example.com',};

  my $raw_records = [$raw_record_1, $raw_record_2, $raw_record_3];

  my $operations = [];
  foreach my $record (@$raw_records) {
    # Check if the record has email, phone, or address information, and adds a
    # SEPARATE UserIdentifier object for each one found. For example, a record
    # with an email address and a phone number will result in a UserData with two
    # UserIdentifiers.
    #
    # IMPORTANT: Since the identifier attribute of UserIdentifier
    # (https://developers.google.com/google-ads/api/reference/rpc/latest/UserIdentifier)
    # is a oneof
    # (https://protobuf.dev/programming-guides/proto3/#oneof-features), you must set
    # only ONE of hashed_email, hashed_phone_number, mobile_id, third_party_user_id,
    # or address-info. Setting more than one of these attributes on the same UserIdentifier
    # will clear all the other members of the oneof. For example, the following code is
    # INCORRECT and will result in a UserIdentifier with ONLY a hashed_phone_number:
    #
    # my $incorrect_user_identifier = Google::Ads::GoogleAds::V17::Common::UserIdentifier->new({
    #   hashedEmail => '...',
    #   hashedPhoneNumber => '...',
    # });
    #
    # The separate 'if' statements below demonstrate the correct approach for creating a
    # UserData object for a member with multiple UserIdentifiers.

    my $user_identifiers = [];

    # Check if the record has an email address, and if so, add a UserIdentifier for it.
    if (defined $record->{email}) {
      # Add the hashed email identifier to the list of UserIdentifiers.
      push(
        @$user_identifiers,
        Google::Ads::GoogleAds::V17::Common::UserIdentifier->new({
            hashedEmail => normalize_and_hash($record->{email}, 1)}));
    }

    # Check if the record has a phone number, and if so, add a UserIdentifier for it.
    if (defined $record->{phone}) {
      # Add the hashed phone number identifier to the list of UserIdentifiers.
      push(
        @$user_identifiers,
        Google::Ads::GoogleAds::V17::Common::UserIdentifier->new({
            hashedPhoneNumber => normalize_and_hash($record->{phone}, 1)}));
    }

    # Check if the record has all the required mailing address elements, and if so, add
    # a UserIdentifier for the mailing address.
    if (defined $record->{firstName}) {
      my $required_keys = ["lastName", "countryCode", "postalCode"];
      my $missing_keys  = [];

      foreach my $key (@$required_keys) {
        if (!defined $record->{$key}) {
          push(@$missing_keys, $key);
        }
      }

      if (@$missing_keys) {
        print
"Skipping addition of mailing address information because the following"
          . "keys are missing: "
          . join(",", @$missing_keys);
      } else {
        push(
          @$user_identifiers,
          Google::Ads::GoogleAds::V17::Common::UserIdentifier->new({
              addressInfo =>
                Google::Ads::GoogleAds::V17::Common::OfflineUserAddressInfo->
                new({
                  # First and last name must be normalized and hashed.
                  hashedFirstName => normalize_and_hash($record->{firstName}),
                  hashedLastName  => normalize_and_hash($record->{lastName}),
                  # Country code and zip code are sent in plain text.
                  countryCode => $record->{countryCode},
                  postalCode  => $record->{postalCode},
                })}));
      }
    }

    # If the user_identifiers array is not empty, create a new
    # OfflineUserDataJobOperation and add the UserData to it.
    if (@$user_identifiers) {
      my $user_data = Google::Ads::GoogleAds::V17::Common::UserData->new({
          userIdentifiers => [$user_identifiers]});
      push(
        @$operations,
        Google::Ads::GoogleAds::V17::Services::OfflineUserDataJobService::OfflineUserDataJobOperation
          ->new({
            create => $user_data
          }));
    }
  }
add_customer_match_user_list.pl