How can I retrieve just a small number of contacts using the People API in Google Apps Script?

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You can use the list method of the People API to retrieve a small number of contacts. The list method allows you to specify a pageSize parameter to limit the number of contacts returned per page. You can also use the pageToken parameter to retrieve additional pages of contacts if needed.

Here's an example code snippet that retrieves the first 10 contacts using the People API in Google Apps Script:

function getTenContacts() {
  var params = {
    'pageSize': 10
  };

  var contacts = People.PeopleService.people().connections().list('people/me', params);

  while (contacts.connections && contacts.connections.length > 0) {
    for (var i = 0; i < contacts.connections.length; i++) {
      Logger.log('%s (%s)', contacts.connections[i].names[0].displayName, contacts.connections[i].names[0].metadata.source);
    }
    if (contacts.nextPageToken) {
      params.pageToken = contacts.nextPageToken;
      contacts = People.PeopleService.people().connections().list('people/me', params);
    } else {
      break;
    }
  }
}

In this code, we're calling the list method with the pageSize parameter set to 10. We then loop through the connections array in the response object and log the display name and source metadata of each contact. We also check if there's a nextPageToken property in the response object, and if so, we set the pageToken parameter in the next request to retrieve the next page of contacts.

You can adjust the pageSize parameter to retrieve a different number of contacts. Keep in mind that larger pages may lead to longer load times and higher resource usage.