I wanted to bring statistics from Firebase to my website. To do this, I linked Firebase with Google Analytics in the settings in the

Once your authorization is configured you should be able to access this. Remember that the service account needs to be granted access to your google analytics account or it wont be able to access the property.

  /**
   * TODO(developer): Uncomment this variable and replace with your
   *   Google Analytics 4 property ID before running the sample.
   */
  // propertyId = 'YOUR-GA4-PROPERTY-ID';

  // Imports the Google Analytics Data API client library.
  const {BetaAnalyticsDataClient} = require('@google-analytics/data');

  // Using a default constructor instructs the client to use the credentials
  // specified in GOOGLE_APPLICATION_CREDENTIALS environment variable.
  const analyticsDataClient = new BetaAnalyticsDataClient();

  // Runs a simple report.
  async function runReport() {
    const [response] = await analyticsDataClient.runReport({
      property: `properties/${propertyId}`,
      dateRanges: [
        {
          startDate: '2020-03-31',
          endDate: 'today',
        },
      ],
      dimensions: [
        {
          name: 'city',
        },
      ],
      metrics: [
        {
          name: 'activeUsers',
        },
      ],
    });

    console.log('Report result:');
    response.rows.forEach(row => {
      console.log(row.dimensionValues[0], row.metricValues[0]);
    });
  }

  runReport();